diff --git a/PhysLean.lean b/PhysLean.lean
index 2d8e75697..59e125dd1 100644
--- a/PhysLean.lean
+++ b/PhysLean.lean
@@ -1,406 +1,408 @@
-import PhysLean.ClassicalMechanics.Basic
-import PhysLean.ClassicalMechanics.DampedHarmonicOscillator.Basic
-import PhysLean.ClassicalMechanics.EulerLagrange
-import PhysLean.ClassicalMechanics.HamiltonsEquations
-import PhysLean.ClassicalMechanics.HarmonicOscillator.Basic
-import PhysLean.ClassicalMechanics.HarmonicOscillator.ConfigurationSpace
-import PhysLean.ClassicalMechanics.HarmonicOscillator.Solution
-import PhysLean.ClassicalMechanics.Lagrangian.TotalDerivativeEquivalence
-import PhysLean.ClassicalMechanics.Mass.MassUnit
-import PhysLean.ClassicalMechanics.Pendulum.CoplanarDoublePendulum
-import PhysLean.ClassicalMechanics.Pendulum.MiscellaneousPendulumPivotMotions
-import PhysLean.ClassicalMechanics.Pendulum.SlidingPendulum
-import PhysLean.ClassicalMechanics.RigidBody.Basic
-import PhysLean.ClassicalMechanics.RigidBody.SolidSphere
-import PhysLean.ClassicalMechanics.Scattering.RigidSphere
-import PhysLean.ClassicalMechanics.Vibrations.LinearTriatomic
-import PhysLean.ClassicalMechanics.WaveEquation.Basic
-import PhysLean.ClassicalMechanics.WaveEquation.HarmonicWave
-import PhysLean.CondensedMatter.Basic
-import PhysLean.CondensedMatter.TightBindingChain.Basic
-import PhysLean.Cosmology.Basic
-import PhysLean.Cosmology.FLRW.Basic
-import PhysLean.Electromagnetism.Basic
-import PhysLean.Electromagnetism.Charge.ChargeUnit
-import PhysLean.Electromagnetism.Current.CircularCoil
-import PhysLean.Electromagnetism.Current.InfiniteWire
-import PhysLean.Electromagnetism.Dynamics.Basic
-import PhysLean.Electromagnetism.Dynamics.CurrentDensity
-import PhysLean.Electromagnetism.Dynamics.Hamiltonian
-import PhysLean.Electromagnetism.Dynamics.IsExtrema
-import PhysLean.Electromagnetism.Dynamics.KineticTerm
-import PhysLean.Electromagnetism.Dynamics.Lagrangian
-import PhysLean.Electromagnetism.Kinematics.Boosts
-import PhysLean.Electromagnetism.Kinematics.EMPotential
-import PhysLean.Electromagnetism.Kinematics.ElectricField
-import PhysLean.Electromagnetism.Kinematics.FieldStrength
-import PhysLean.Electromagnetism.Kinematics.MagneticField
-import PhysLean.Electromagnetism.Kinematics.ScalarPotential
-import PhysLean.Electromagnetism.Kinematics.VectorPotential
-import PhysLean.Electromagnetism.PointParticle.OneDimension
-import PhysLean.Electromagnetism.PointParticle.ThreeDimension
-import PhysLean.Electromagnetism.Vacuum.Constant
-import PhysLean.Electromagnetism.Vacuum.HarmonicWave
-import PhysLean.Electromagnetism.Vacuum.IsPlaneWave
-import PhysLean.Mathematics.Calculus.AdjFDeriv
-import PhysLean.Mathematics.Calculus.Divergence
-import PhysLean.Mathematics.DataStructures.FourTree.Basic
-import PhysLean.Mathematics.DataStructures.FourTree.UniqueMap
-import PhysLean.Mathematics.DataStructures.Matrix.LieTrace
-import PhysLean.Mathematics.Distribution.Basic
-import PhysLean.Mathematics.Distribution.PowMul
-import PhysLean.Mathematics.FDerivCurry
-import PhysLean.Mathematics.Fin
-import PhysLean.Mathematics.Fin.Involutions
-import PhysLean.Mathematics.Geometry.Metric.PseudoRiemannian.Defs
-import PhysLean.Mathematics.Geometry.Metric.Riemannian.Defs
-import PhysLean.Mathematics.InnerProductSpace.Adjoint
-import PhysLean.Mathematics.InnerProductSpace.Basic
-import PhysLean.Mathematics.InnerProductSpace.Calculus
-import PhysLean.Mathematics.InnerProductSpace.Submodule
-import PhysLean.Mathematics.KroneckerDelta
-import PhysLean.Mathematics.LinearMaps
-import PhysLean.Mathematics.List
-import PhysLean.Mathematics.List.InsertIdx
-import PhysLean.Mathematics.List.InsertionSort
-import PhysLean.Mathematics.PiTensorProduct
-import PhysLean.Mathematics.RatComplexNum
-import PhysLean.Mathematics.SO3.Basic
-import PhysLean.Mathematics.SchurTriangulation
-import PhysLean.Mathematics.SpecialFunctions.PhysHermite
-import PhysLean.Mathematics.Trigonometry.Tanh
-import PhysLean.Mathematics.VariationalCalculus.Basic
-import PhysLean.Mathematics.VariationalCalculus.HasVarAdjDeriv
-import PhysLean.Mathematics.VariationalCalculus.HasVarAdjoint
-import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
-import PhysLean.Mathematics.VariationalCalculus.IsLocalizedfunctionTransform
-import PhysLean.Mathematics.VariationalCalculus.IsTestFunction
-import PhysLean.Meta.AllFilePaths
-import PhysLean.Meta.Basic
-import PhysLean.Meta.Informal.Basic
-import PhysLean.Meta.Informal.Post
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.Meta.Linters.Sorry
-import PhysLean.Meta.Notes.Basic
-import PhysLean.Meta.Notes.HTMLNote
-import PhysLean.Meta.Notes.NoteFile
-import PhysLean.Meta.Notes.ToHTML
-import PhysLean.Meta.Remark.Basic
-import PhysLean.Meta.Remark.Properties
-import PhysLean.Meta.Sorry
-import PhysLean.Meta.TODO.Basic
-import PhysLean.Meta.TransverseTactics
-import PhysLean.Optics.Basic
-import PhysLean.Optics.Polarization.Basic
-import PhysLean.Particles.BeyondTheStandardModel.GeorgiGlashow.Basic
-import PhysLean.Particles.BeyondTheStandardModel.PatiSalam.Basic
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Basic
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.FamilyMaps
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.NoGrav.Basic
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.Basic
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.DimSevenPlane
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.FamilyMaps
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.BMinusL
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.BoundPlaneDim
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.FamilyMaps
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.HyperCharge
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.PlaneNonSols
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.QuadSol
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.QuadSolToSol
-import PhysLean.Particles.BeyondTheStandardModel.Spin10.Basic
-import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.Basic
-import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.GramMatrix
-import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.Potential
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Basic
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Invariants
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.PhaseFreedom
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Relations
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Rows
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.StandardParameterization.Basic
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.StandardParameterization.StandardParameters
-import PhysLean.Particles.NeutrinoPhysics.Basic
-import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
-import PhysLean.Particles.StandardModel.AnomalyCancellation.FamilyMaps
-import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.Basic
-import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.One.Lemmas
-import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.One.LinearParameterization
-import PhysLean.Particles.StandardModel.AnomalyCancellation.Permutations
-import PhysLean.Particles.StandardModel.Basic
-import PhysLean.Particles.StandardModel.HiggsBoson.Basic
-import PhysLean.Particles.StandardModel.HiggsBoson.Potential
-import PhysLean.Particles.StandardModel.Representations
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.B3
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.HyperCharge
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.LineY3B3
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.Basic
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.PlaneWithY3B3
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.ToSols
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Permutations
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Y3
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.AllowsTerm
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Basic
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Map
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimalSuperSet
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.Basic
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.FinsetTerms
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfFieldLabel
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfPotentialTerm
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoClosed
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.ZMod
-import PhysLean.Particles.SuperSymmetry.SU5.FieldLabels
-import PhysLean.Particles.SuperSymmetry.SU5.Potential
-import PhysLean.QFT.AnomalyCancellation.Basic
-import PhysLean.QFT.AnomalyCancellation.GroupActions
-import PhysLean.QFT.PerturbationTheory.CreateAnnihilate
-import PhysLean.QFT.PerturbationTheory.FeynmanDiagrams.Basic
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Basic
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Grading
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.NormTimeOrder
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.NormalOrder
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.TimeOrder
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.Basic
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnFieldOp
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnSection
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.Filters
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.NormalOrder
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.TimeOrder
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.Basic
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.ExchangeSign
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.OfFinset
-import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSign
-import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSignInsert
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.Grading
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Basic
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.WickContractions
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTerm
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTheorem
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.SuperCommute
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeContraction
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeOrder
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.Universality
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.WickTerm
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.WicksTheorem
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.WicksTheoremNormal
-import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
-import PhysLean.QFT.PerturbationTheory.WickContraction.Card
-import PhysLean.QFT.PerturbationTheory.WickContraction.Erase
-import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContractNat
-import PhysLean.QFT.PerturbationTheory.WickContraction.Involutions
-import PhysLean.QFT.PerturbationTheory.WickContraction.IsFull
-import PhysLean.QFT.PerturbationTheory.WickContraction.Join
-import PhysLean.QFT.PerturbationTheory.WickContraction.Perm
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertNone
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertSome
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Join
-import PhysLean.QFT.PerturbationTheory.WickContraction.Singleton
-import PhysLean.QFT.PerturbationTheory.WickContraction.StaticContract
-import PhysLean.QFT.PerturbationTheory.WickContraction.SubContraction
-import PhysLean.QFT.PerturbationTheory.WickContraction.TimeCond
-import PhysLean.QFT.PerturbationTheory.WickContraction.TimeContract
-import PhysLean.QFT.PerturbationTheory.WickContraction.Uncontracted
-import PhysLean.QFT.PerturbationTheory.WickContraction.UncontractedList
-import PhysLean.QFT.QED.AnomalyCancellation.Basic
-import PhysLean.QFT.QED.AnomalyCancellation.BasisLinear
-import PhysLean.QFT.QED.AnomalyCancellation.ConstAbs
-import PhysLean.QFT.QED.AnomalyCancellation.Even.BasisLinear
-import PhysLean.QFT.QED.AnomalyCancellation.Even.LineInCubic
-import PhysLean.QFT.QED.AnomalyCancellation.Even.Parameterization
-import PhysLean.QFT.QED.AnomalyCancellation.LineInPlaneCond
-import PhysLean.QFT.QED.AnomalyCancellation.LowDim.One
-import PhysLean.QFT.QED.AnomalyCancellation.LowDim.Three
-import PhysLean.QFT.QED.AnomalyCancellation.LowDim.Two
-import PhysLean.QFT.QED.AnomalyCancellation.Odd.BasisLinear
-import PhysLean.QFT.QED.AnomalyCancellation.Odd.LineInCubic
-import PhysLean.QFT.QED.AnomalyCancellation.Odd.Parameterization
-import PhysLean.QFT.QED.AnomalyCancellation.Permutations
-import PhysLean.QFT.QED.AnomalyCancellation.Sorts
-import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
-import PhysLean.QuantumMechanics.DDimensions.Hydrogen.Basic
-import PhysLean.QuantumMechanics.DDimensions.Hydrogen.LaplaceRungeLenzVector
-import PhysLean.QuantumMechanics.DDimensions.Operators.AngularMomentum
-import PhysLean.QuantumMechanics.DDimensions.Operators.Commutation
-import PhysLean.QuantumMechanics.DDimensions.Operators.Momentum
-import PhysLean.QuantumMechanics.DDimensions.Operators.Position
-import PhysLean.QuantumMechanics.DDimensions.Operators.Unbounded
-import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.Basic
-import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.SchwartzSubmodule
-import PhysLean.QuantumMechanics.FiniteTarget.Basic
-import PhysLean.QuantumMechanics.FiniteTarget.HilbertSpace
-import PhysLean.QuantumMechanics.OneDimension.GeneralPotential.Basic
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Basic
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Completeness
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Eigenfunction
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Examples
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.TISE
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Basic
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Gaussians
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PlaneWaves
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PositionStates
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.SchwartzSubmodule
-import PhysLean.QuantumMechanics.OneDimension.Operators.Commutation
-import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
-import PhysLean.QuantumMechanics.OneDimension.Operators.Parity
-import PhysLean.QuantumMechanics.OneDimension.Operators.Position
-import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
-import PhysLean.QuantumMechanics.OneDimension.ReflectionlessPotential.Basic
-import PhysLean.QuantumMechanics.PlanckConstant
-import PhysLean.Relativity.Bispinors.Basic
-import PhysLean.Relativity.CliffordAlgebra
-import PhysLean.Relativity.LorentzAlgebra.Basic
-import PhysLean.Relativity.LorentzAlgebra.Basis
-import PhysLean.Relativity.LorentzAlgebra.ExponentialMap
-import PhysLean.Relativity.LorentzGroup.Basic
-import PhysLean.Relativity.LorentzGroup.Boosts.Apply
-import PhysLean.Relativity.LorentzGroup.Boosts.Basic
-import PhysLean.Relativity.LorentzGroup.Boosts.Generalized
-import PhysLean.Relativity.LorentzGroup.Orthochronous.Basic
-import PhysLean.Relativity.LorentzGroup.Proper
-import PhysLean.Relativity.LorentzGroup.Restricted.Basic
-import PhysLean.Relativity.LorentzGroup.Restricted.FromBoostRotation
-import PhysLean.Relativity.LorentzGroup.Rotations
-import PhysLean.Relativity.LorentzGroup.ToVector
-import PhysLean.Relativity.MinkowskiMatrix
-import PhysLean.Relativity.PauliMatrices.AsTensor
-import PhysLean.Relativity.PauliMatrices.Basic
-import PhysLean.Relativity.PauliMatrices.CliffordAlgebra
-import PhysLean.Relativity.PauliMatrices.Relations
-import PhysLean.Relativity.PauliMatrices.SelfAdjoint
-import PhysLean.Relativity.PauliMatrices.ToTensor
-import PhysLean.Relativity.SL2C.Basic
-import PhysLean.Relativity.SL2C.SelfAdjoint
-import PhysLean.Relativity.Special.ProperTime
-import PhysLean.Relativity.Special.TwinParadox.Basic
-import PhysLean.Relativity.SpeedOfLight
-import PhysLean.Relativity.Tensors.Basic
-import PhysLean.Relativity.Tensors.Color.Basic
-import PhysLean.Relativity.Tensors.Color.Discrete
-import PhysLean.Relativity.Tensors.Color.Lift
-import PhysLean.Relativity.Tensors.ComplexTensor.Basic
-import PhysLean.Relativity.Tensors.ComplexTensor.Lemmas
-import PhysLean.Relativity.Tensors.ComplexTensor.Matrix.Pre
-import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
-import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Lemmas
-import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Pre
-import PhysLean.Relativity.Tensors.ComplexTensor.OfRat
-import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
-import PhysLean.Relativity.Tensors.ComplexTensor.Units.Pre
-import PhysLean.Relativity.Tensors.ComplexTensor.Units.Symm
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Contraction
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Modules
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Basic
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Contraction
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Metric
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Modules
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Two
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Unit
-import PhysLean.Relativity.Tensors.Constructors
-import PhysLean.Relativity.Tensors.Contraction.Basic
-import PhysLean.Relativity.Tensors.Contraction.Basis
-import PhysLean.Relativity.Tensors.Contraction.Products
-import PhysLean.Relativity.Tensors.Contraction.Pure
-import PhysLean.Relativity.Tensors.Dual
-import PhysLean.Relativity.Tensors.Elab
-import PhysLean.Relativity.Tensors.Evaluation
-import PhysLean.Relativity.Tensors.MetricTensor
-import PhysLean.Relativity.Tensors.OfInt
-import PhysLean.Relativity.Tensors.Product
-import PhysLean.Relativity.Tensors.RealTensor.Basic
-import PhysLean.Relativity.Tensors.RealTensor.CoVector.Basic
-import PhysLean.Relativity.Tensors.RealTensor.Derivative
-import PhysLean.Relativity.Tensors.RealTensor.Matrix.Pre
-import PhysLean.Relativity.Tensors.RealTensor.Metrics.Basic
-import PhysLean.Relativity.Tensors.RealTensor.Metrics.Pre
-import PhysLean.Relativity.Tensors.RealTensor.ToComplex
-import PhysLean.Relativity.Tensors.RealTensor.Units.Pre
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Basic
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.LightLike
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.TimeLike
-import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Basic
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Contraction
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Modules
-import PhysLean.Relativity.Tensors.RealTensor.Velocity.Basic
-import PhysLean.Relativity.Tensors.TensorSpecies.Basic
-import PhysLean.Relativity.Tensors.Tensorial
-import PhysLean.Relativity.Tensors.UnitTensor
-import PhysLean.SpaceAndTime.Space.Basic
-import PhysLean.SpaceAndTime.Space.ConstantSliceDist
-import PhysLean.SpaceAndTime.Space.CrossProduct
-import PhysLean.SpaceAndTime.Space.Derivatives.Basic
-import PhysLean.SpaceAndTime.Space.Derivatives.Curl
-import PhysLean.SpaceAndTime.Space.Derivatives.Div
-import PhysLean.SpaceAndTime.Space.Derivatives.Grad
-import PhysLean.SpaceAndTime.Space.Derivatives.Laplacian
-import PhysLean.SpaceAndTime.Space.DistConst
-import PhysLean.SpaceAndTime.Space.DistOfFunction
-import PhysLean.SpaceAndTime.Space.Integrals.Basic
-import PhysLean.SpaceAndTime.Space.Integrals.RadialAngularMeasure
-import PhysLean.SpaceAndTime.Space.IsDistBounded
-import PhysLean.SpaceAndTime.Space.LengthUnit
-import PhysLean.SpaceAndTime.Space.Module
-import PhysLean.SpaceAndTime.Space.Norm
-import PhysLean.SpaceAndTime.Space.Slice
-import PhysLean.SpaceAndTime.Space.Translations
-import PhysLean.SpaceAndTime.SpaceTime.Basic
-import PhysLean.SpaceAndTime.SpaceTime.Boosts
-import PhysLean.SpaceAndTime.SpaceTime.Derivatives
-import PhysLean.SpaceAndTime.SpaceTime.LorentzAction
-import PhysLean.SpaceAndTime.SpaceTime.TimeSlice
-import PhysLean.SpaceAndTime.Time.Basic
-import PhysLean.SpaceAndTime.Time.Derivatives
-import PhysLean.SpaceAndTime.Time.TimeMan
-import PhysLean.SpaceAndTime.Time.TimeTransMan
-import PhysLean.SpaceAndTime.Time.TimeUnit
-import PhysLean.SpaceAndTime.TimeAndSpace.Basic
-import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
-import PhysLean.StatisticalMechanics.BoltzmannConstant
-import PhysLean.StatisticalMechanics.CanonicalEnsemble.Basic
-import PhysLean.StatisticalMechanics.CanonicalEnsemble.Finite
-import PhysLean.StatisticalMechanics.CanonicalEnsemble.Lemmas
-import PhysLean.StatisticalMechanics.CanonicalEnsemble.TwoState
-import PhysLean.StringTheory.Basic
-import PhysLean.StringTheory.FTheory.SU5.Basic
-import PhysLean.StringTheory.FTheory.SU5.Charges.AnomalyFree
-import PhysLean.StringTheory.FTheory.SU5.Charges.OfRationalSection
-import PhysLean.StringTheory.FTheory.SU5.Charges.Viable
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.Basic
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.ChiralIndices
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Completeness
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Elems
-import PhysLean.StringTheory.FTheory.SU5.Quanta.Basic
-import PhysLean.StringTheory.FTheory.SU5.Quanta.FiveQuanta
-import PhysLean.StringTheory.FTheory.SU5.Quanta.IsViable
-import PhysLean.StringTheory.FTheory.SU5.Quanta.TenQuanta
-import PhysLean.Thermodynamics.Basic
-import PhysLean.Thermodynamics.IdealGas.Basic
-import PhysLean.Thermodynamics.Temperature.Basic
-import PhysLean.Thermodynamics.Temperature.TemperatureUnits
-import PhysLean.Units.Basic
-import PhysLean.Units.Dimension
-import PhysLean.Units.Examples
-import PhysLean.Units.FDeriv
-import PhysLean.Units.Integral
-import PhysLean.Units.UnitDependent
-import PhysLean.Units.WithDim.Area
-import PhysLean.Units.WithDim.Basic
-import PhysLean.Units.WithDim.Energy
-import PhysLean.Units.WithDim.Mass
-import PhysLean.Units.WithDim.Momentum
-import PhysLean.Units.WithDim.Pressure
-import PhysLean.Units.WithDim.Speed
-import PhysLean.Units.WithDim.Velocity
+module
+
+public import PhysLean.ClassicalMechanics.Basic
+public import PhysLean.ClassicalMechanics.DampedHarmonicOscillator.Basic
+public import PhysLean.ClassicalMechanics.EulerLagrange
+public import PhysLean.ClassicalMechanics.HamiltonsEquations
+public import PhysLean.ClassicalMechanics.HarmonicOscillator.Basic
+public import PhysLean.ClassicalMechanics.HarmonicOscillator.ConfigurationSpace
+public import PhysLean.ClassicalMechanics.HarmonicOscillator.Solution
+public import PhysLean.ClassicalMechanics.Lagrangian.TotalDerivativeEquivalence
+public import PhysLean.ClassicalMechanics.Mass.MassUnit
+public import PhysLean.ClassicalMechanics.Pendulum.CoplanarDoublePendulum
+public import PhysLean.ClassicalMechanics.Pendulum.MiscellaneousPendulumPivotMotions
+public import PhysLean.ClassicalMechanics.Pendulum.SlidingPendulum
+public import PhysLean.ClassicalMechanics.RigidBody.Basic
+public import PhysLean.ClassicalMechanics.RigidBody.SolidSphere
+public import PhysLean.ClassicalMechanics.Scattering.RigidSphere
+public import PhysLean.ClassicalMechanics.Vibrations.LinearTriatomic
+public import PhysLean.ClassicalMechanics.WaveEquation.Basic
+public import PhysLean.ClassicalMechanics.WaveEquation.HarmonicWave
+public import PhysLean.CondensedMatter.Basic
+public import PhysLean.CondensedMatter.TightBindingChain.Basic
+public import PhysLean.Cosmology.Basic
+public import PhysLean.Cosmology.FLRW.Basic
+public import PhysLean.Electromagnetism.Basic
+public import PhysLean.Electromagnetism.Charge.ChargeUnit
+public import PhysLean.Electromagnetism.Current.CircularCoil
+public import PhysLean.Electromagnetism.Current.InfiniteWire
+public import PhysLean.Electromagnetism.Dynamics.Basic
+public import PhysLean.Electromagnetism.Dynamics.CurrentDensity
+public import PhysLean.Electromagnetism.Dynamics.Hamiltonian
+public import PhysLean.Electromagnetism.Dynamics.IsExtrema
+public import PhysLean.Electromagnetism.Dynamics.KineticTerm
+public import PhysLean.Electromagnetism.Dynamics.Lagrangian
+public import PhysLean.Electromagnetism.Kinematics.Boosts
+public import PhysLean.Electromagnetism.Kinematics.EMPotential
+public import PhysLean.Electromagnetism.Kinematics.ElectricField
+public import PhysLean.Electromagnetism.Kinematics.FieldStrength
+public import PhysLean.Electromagnetism.Kinematics.MagneticField
+public import PhysLean.Electromagnetism.Kinematics.ScalarPotential
+public import PhysLean.Electromagnetism.Kinematics.VectorPotential
+public import PhysLean.Electromagnetism.PointParticle.OneDimension
+public import PhysLean.Electromagnetism.PointParticle.ThreeDimension
+public import PhysLean.Electromagnetism.Vacuum.Constant
+public import PhysLean.Electromagnetism.Vacuum.HarmonicWave
+public import PhysLean.Electromagnetism.Vacuum.IsPlaneWave
+public import PhysLean.Mathematics.Calculus.AdjFDeriv
+public import PhysLean.Mathematics.Calculus.Divergence
+public import PhysLean.Mathematics.DataStructures.FourTree.Basic
+public import PhysLean.Mathematics.DataStructures.FourTree.UniqueMap
+public import PhysLean.Mathematics.DataStructures.Matrix.LieTrace
+public import PhysLean.Mathematics.Distribution.Basic
+public import PhysLean.Mathematics.Distribution.PowMul
+public import PhysLean.Mathematics.FDerivCurry
+public import PhysLean.Mathematics.Fin
+public import PhysLean.Mathematics.Fin.Involutions
+public import PhysLean.Mathematics.Geometry.Metric.PseudoRiemannian.Defs
+public import PhysLean.Mathematics.Geometry.Metric.Riemannian.Defs
+public import PhysLean.Mathematics.InnerProductSpace.Adjoint
+public import PhysLean.Mathematics.InnerProductSpace.Basic
+public import PhysLean.Mathematics.InnerProductSpace.Calculus
+public import PhysLean.Mathematics.InnerProductSpace.Submodule
+public import PhysLean.Mathematics.KroneckerDelta
+public import PhysLean.Mathematics.LinearMaps
+public import PhysLean.Mathematics.List
+public import PhysLean.Mathematics.List.InsertIdx
+public import PhysLean.Mathematics.List.InsertionSort
+public import PhysLean.Mathematics.PiTensorProduct
+public import PhysLean.Mathematics.RatComplexNum
+public import PhysLean.Mathematics.SO3.Basic
+public import PhysLean.Mathematics.SchurTriangulation
+public import PhysLean.Mathematics.SpecialFunctions.PhysHermite
+public import PhysLean.Mathematics.Trigonometry.Tanh
+public import PhysLean.Mathematics.VariationalCalculus.Basic
+public import PhysLean.Mathematics.VariationalCalculus.HasVarAdjDeriv
+public import PhysLean.Mathematics.VariationalCalculus.HasVarAdjoint
+public import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
+public import PhysLean.Mathematics.VariationalCalculus.IsLocalizedfunctionTransform
+public import PhysLean.Mathematics.VariationalCalculus.IsTestFunction
+public import PhysLean.Meta.AllFilePaths
+public import PhysLean.Meta.Basic
+public import PhysLean.Meta.Informal.Basic
+public import PhysLean.Meta.Informal.Post
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.Meta.Linters.Sorry
+public import PhysLean.Meta.Notes.Basic
+public import PhysLean.Meta.Notes.HTMLNote
+public import PhysLean.Meta.Notes.NoteFile
+public import PhysLean.Meta.Notes.ToHTML
+public import PhysLean.Meta.Remark.Basic
+public import PhysLean.Meta.Remark.Properties
+public import PhysLean.Meta.Sorry
+public import PhysLean.Meta.TODO.Basic
+public import PhysLean.Meta.TransverseTactics
+public import PhysLean.Optics.Basic
+public import PhysLean.Optics.Polarization.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.GeorgiGlashow.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.PatiSalam.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.FamilyMaps
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.NoGrav.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.DimSevenPlane
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.FamilyMaps
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.BMinusL
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.BoundPlaneDim
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.FamilyMaps
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.HyperCharge
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.PlaneNonSols
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.QuadSol
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.QuadSolToSol
+public import PhysLean.Particles.BeyondTheStandardModel.Spin10.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.GramMatrix
+public import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.Potential
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Basic
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Invariants
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.PhaseFreedom
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Relations
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Rows
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.StandardParameterization.Basic
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.StandardParameterization.StandardParameters
+public import PhysLean.Particles.NeutrinoPhysics.Basic
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.FamilyMaps
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.Basic
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.One.Lemmas
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.One.LinearParameterization
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.Permutations
+public import PhysLean.Particles.StandardModel.Basic
+public import PhysLean.Particles.StandardModel.HiggsBoson.Basic
+public import PhysLean.Particles.StandardModel.HiggsBoson.Potential
+public import PhysLean.Particles.StandardModel.Representations
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.B3
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.HyperCharge
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.LineY3B3
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.Basic
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.PlaneWithY3B3
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.ToSols
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Permutations
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Y3
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.AllowsTerm
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Basic
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Map
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimalSuperSet
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.Basic
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.FinsetTerms
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfFieldLabel
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfPotentialTerm
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoClosed
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.ZMod
+public import PhysLean.Particles.SuperSymmetry.SU5.FieldLabels
+public import PhysLean.Particles.SuperSymmetry.SU5.Potential
+public import PhysLean.QFT.AnomalyCancellation.Basic
+public import PhysLean.QFT.AnomalyCancellation.GroupActions
+public import PhysLean.QFT.PerturbationTheory.CreateAnnihilate
+public import PhysLean.QFT.PerturbationTheory.FeynmanDiagrams.Basic
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Basic
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Grading
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.NormTimeOrder
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.NormalOrder
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.TimeOrder
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.Basic
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnFieldOp
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnSection
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.Filters
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.NormalOrder
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.TimeOrder
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.Basic
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.ExchangeSign
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.OfFinset
+public import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSign
+public import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSignInsert
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.Grading
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Basic
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.WickContractions
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTerm
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTheorem
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.SuperCommute
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeContraction
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeOrder
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.Universality
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.WickTerm
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.WicksTheorem
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.WicksTheoremNormal
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Card
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Erase
+public import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContractNat
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Involutions
+public import PhysLean.QFT.PerturbationTheory.WickContraction.IsFull
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Join
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Perm
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertNone
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertSome
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Join
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Singleton
+public import PhysLean.QFT.PerturbationTheory.WickContraction.StaticContract
+public import PhysLean.QFT.PerturbationTheory.WickContraction.SubContraction
+public import PhysLean.QFT.PerturbationTheory.WickContraction.TimeCond
+public import PhysLean.QFT.PerturbationTheory.WickContraction.TimeContract
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Uncontracted
+public import PhysLean.QFT.PerturbationTheory.WickContraction.UncontractedList
+public import PhysLean.QFT.QED.AnomalyCancellation.Basic
+public import PhysLean.QFT.QED.AnomalyCancellation.BasisLinear
+public import PhysLean.QFT.QED.AnomalyCancellation.ConstAbs
+public import PhysLean.QFT.QED.AnomalyCancellation.Even.BasisLinear
+public import PhysLean.QFT.QED.AnomalyCancellation.Even.LineInCubic
+public import PhysLean.QFT.QED.AnomalyCancellation.Even.Parameterization
+public import PhysLean.QFT.QED.AnomalyCancellation.LineInPlaneCond
+public import PhysLean.QFT.QED.AnomalyCancellation.LowDim.One
+public import PhysLean.QFT.QED.AnomalyCancellation.LowDim.Three
+public import PhysLean.QFT.QED.AnomalyCancellation.LowDim.Two
+public import PhysLean.QFT.QED.AnomalyCancellation.Odd.BasisLinear
+public import PhysLean.QFT.QED.AnomalyCancellation.Odd.LineInCubic
+public import PhysLean.QFT.QED.AnomalyCancellation.Odd.Parameterization
+public import PhysLean.QFT.QED.AnomalyCancellation.Permutations
+public import PhysLean.QFT.QED.AnomalyCancellation.Sorts
+public import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
+public import PhysLean.QuantumMechanics.DDimensions.Hydrogen.Basic
+public import PhysLean.QuantumMechanics.DDimensions.Hydrogen.LaplaceRungeLenzVector
+public import PhysLean.QuantumMechanics.DDimensions.Operators.AngularMomentum
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Commutation
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Momentum
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Position
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Unbounded
+public import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.Basic
+public import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.SchwartzSubmodule
+public import PhysLean.QuantumMechanics.FiniteTarget.Basic
+public import PhysLean.QuantumMechanics.FiniteTarget.HilbertSpace
+public import PhysLean.QuantumMechanics.OneDimension.GeneralPotential.Basic
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Basic
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Completeness
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Eigenfunction
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Examples
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.TISE
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Basic
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Gaussians
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PlaneWaves
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PositionStates
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.SchwartzSubmodule
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Commutation
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Parity
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Position
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
+public import PhysLean.QuantumMechanics.OneDimension.ReflectionlessPotential.Basic
+public import PhysLean.QuantumMechanics.PlanckConstant
+public import PhysLean.Relativity.Bispinors.Basic
+public import PhysLean.Relativity.CliffordAlgebra
+public import PhysLean.Relativity.LorentzAlgebra.Basic
+public import PhysLean.Relativity.LorentzAlgebra.Basis
+public import PhysLean.Relativity.LorentzAlgebra.ExponentialMap
+public import PhysLean.Relativity.LorentzGroup.Basic
+public import PhysLean.Relativity.LorentzGroup.Boosts.Apply
+public import PhysLean.Relativity.LorentzGroup.Boosts.Basic
+public import PhysLean.Relativity.LorentzGroup.Boosts.Generalized
+public import PhysLean.Relativity.LorentzGroup.Orthochronous.Basic
+public import PhysLean.Relativity.LorentzGroup.Proper
+public import PhysLean.Relativity.LorentzGroup.Restricted.Basic
+public import PhysLean.Relativity.LorentzGroup.Restricted.FromBoostRotation
+public import PhysLean.Relativity.LorentzGroup.Rotations
+public import PhysLean.Relativity.LorentzGroup.ToVector
+public import PhysLean.Relativity.MinkowskiMatrix
+public import PhysLean.Relativity.PauliMatrices.AsTensor
+public import PhysLean.Relativity.PauliMatrices.Basic
+public import PhysLean.Relativity.PauliMatrices.CliffordAlgebra
+public import PhysLean.Relativity.PauliMatrices.Relations
+public import PhysLean.Relativity.PauliMatrices.SelfAdjoint
+public import PhysLean.Relativity.PauliMatrices.ToTensor
+public import PhysLean.Relativity.SL2C.Basic
+public import PhysLean.Relativity.SL2C.SelfAdjoint
+public import PhysLean.Relativity.Special.ProperTime
+public import PhysLean.Relativity.Special.TwinParadox.Basic
+public import PhysLean.Relativity.SpeedOfLight
+public import PhysLean.Relativity.Tensors.Basic
+public import PhysLean.Relativity.Tensors.Color.Basic
+public import PhysLean.Relativity.Tensors.Color.Discrete
+public import PhysLean.Relativity.Tensors.Color.Lift
+public import PhysLean.Relativity.Tensors.ComplexTensor.Basic
+public import PhysLean.Relativity.Tensors.ComplexTensor.Lemmas
+public import PhysLean.Relativity.Tensors.ComplexTensor.Matrix.Pre
+public import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
+public import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Lemmas
+public import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Pre
+public import PhysLean.Relativity.Tensors.ComplexTensor.OfRat
+public import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
+public import PhysLean.Relativity.Tensors.ComplexTensor.Units.Pre
+public import PhysLean.Relativity.Tensors.ComplexTensor.Units.Symm
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Contraction
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Modules
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Basic
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Contraction
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Metric
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Modules
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Two
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Unit
+public import PhysLean.Relativity.Tensors.Constructors
+public import PhysLean.Relativity.Tensors.Contraction.Basic
+public import PhysLean.Relativity.Tensors.Contraction.Basis
+public import PhysLean.Relativity.Tensors.Contraction.Products
+public import PhysLean.Relativity.Tensors.Contraction.Pure
+public import PhysLean.Relativity.Tensors.Dual
+public import PhysLean.Relativity.Tensors.Elab
+public import PhysLean.Relativity.Tensors.Evaluation
+public import PhysLean.Relativity.Tensors.MetricTensor
+public import PhysLean.Relativity.Tensors.OfInt
+public import PhysLean.Relativity.Tensors.Product
+public import PhysLean.Relativity.Tensors.RealTensor.Basic
+public import PhysLean.Relativity.Tensors.RealTensor.CoVector.Basic
+public import PhysLean.Relativity.Tensors.RealTensor.Derivative
+public import PhysLean.Relativity.Tensors.RealTensor.Matrix.Pre
+public import PhysLean.Relativity.Tensors.RealTensor.Metrics.Basic
+public import PhysLean.Relativity.Tensors.RealTensor.Metrics.Pre
+public import PhysLean.Relativity.Tensors.RealTensor.ToComplex
+public import PhysLean.Relativity.Tensors.RealTensor.Units.Pre
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Basic
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.LightLike
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.TimeLike
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Basic
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Contraction
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Modules
+public import PhysLean.Relativity.Tensors.RealTensor.Velocity.Basic
+public import PhysLean.Relativity.Tensors.TensorSpecies.Basic
+public import PhysLean.Relativity.Tensors.Tensorial
+public import PhysLean.Relativity.Tensors.UnitTensor
+public import PhysLean.SpaceAndTime.Space.Basic
+public import PhysLean.SpaceAndTime.Space.ConstantSliceDist
+public import PhysLean.SpaceAndTime.Space.CrossProduct
+public import PhysLean.SpaceAndTime.Space.Derivatives.Basic
+public import PhysLean.SpaceAndTime.Space.Derivatives.Curl
+public import PhysLean.SpaceAndTime.Space.Derivatives.Div
+public import PhysLean.SpaceAndTime.Space.Derivatives.Grad
+public import PhysLean.SpaceAndTime.Space.Derivatives.Laplacian
+public import PhysLean.SpaceAndTime.Space.DistConst
+public import PhysLean.SpaceAndTime.Space.DistOfFunction
+public import PhysLean.SpaceAndTime.Space.Integrals.Basic
+public import PhysLean.SpaceAndTime.Space.Integrals.RadialAngularMeasure
+public import PhysLean.SpaceAndTime.Space.IsDistBounded
+public import PhysLean.SpaceAndTime.Space.LengthUnit
+public import PhysLean.SpaceAndTime.Space.Module
+public import PhysLean.SpaceAndTime.Space.Norm
+public import PhysLean.SpaceAndTime.Space.Slice
+public import PhysLean.SpaceAndTime.Space.Translations
+public import PhysLean.SpaceAndTime.SpaceTime.Basic
+public import PhysLean.SpaceAndTime.SpaceTime.Boosts
+public import PhysLean.SpaceAndTime.SpaceTime.Derivatives
+public import PhysLean.SpaceAndTime.SpaceTime.LorentzAction
+public import PhysLean.SpaceAndTime.SpaceTime.TimeSlice
+public import PhysLean.SpaceAndTime.Time.Basic
+public import PhysLean.SpaceAndTime.Time.Derivatives
+public import PhysLean.SpaceAndTime.Time.TimeMan
+public import PhysLean.SpaceAndTime.Time.TimeTransMan
+public import PhysLean.SpaceAndTime.Time.TimeUnit
+public import PhysLean.SpaceAndTime.TimeAndSpace.Basic
+public import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
+public import PhysLean.StatisticalMechanics.BoltzmannConstant
+public import PhysLean.StatisticalMechanics.CanonicalEnsemble.Basic
+public import PhysLean.StatisticalMechanics.CanonicalEnsemble.Finite
+public import PhysLean.StatisticalMechanics.CanonicalEnsemble.Lemmas
+public import PhysLean.StatisticalMechanics.CanonicalEnsemble.TwoState
+public import PhysLean.StringTheory.Basic
+public import PhysLean.StringTheory.FTheory.SU5.Basic
+public import PhysLean.StringTheory.FTheory.SU5.Charges.AnomalyFree
+public import PhysLean.StringTheory.FTheory.SU5.Charges.OfRationalSection
+public import PhysLean.StringTheory.FTheory.SU5.Charges.Viable
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.Basic
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.ChiralIndices
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Completeness
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Elems
+public import PhysLean.StringTheory.FTheory.SU5.Quanta.Basic
+public import PhysLean.StringTheory.FTheory.SU5.Quanta.FiveQuanta
+public import PhysLean.StringTheory.FTheory.SU5.Quanta.IsViable
+public import PhysLean.StringTheory.FTheory.SU5.Quanta.TenQuanta
+public import PhysLean.Thermodynamics.Basic
+public import PhysLean.Thermodynamics.IdealGas.Basic
+public import PhysLean.Thermodynamics.Temperature.Basic
+public import PhysLean.Thermodynamics.Temperature.TemperatureUnits
+public import PhysLean.Units.Basic
+public import PhysLean.Units.Dimension
+public import PhysLean.Units.Examples
+public import PhysLean.Units.FDeriv
+public import PhysLean.Units.Integral
+public import PhysLean.Units.UnitDependent
+public import PhysLean.Units.WithDim.Area
+public import PhysLean.Units.WithDim.Basic
+public import PhysLean.Units.WithDim.Energy
+public import PhysLean.Units.WithDim.Mass
+public import PhysLean.Units.WithDim.Momentum
+public import PhysLean.Units.WithDim.Pressure
+public import PhysLean.Units.WithDim.Speed
+public import PhysLean.Units.WithDim.Velocity
diff --git a/PhysLean/ClassicalMechanics/Basic.lean b/PhysLean/ClassicalMechanics/Basic.lean
index 6159772f2..a731dfe92 100644
--- a/PhysLean/ClassicalMechanics/Basic.lean
+++ b/PhysLean/ClassicalMechanics/Basic.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
+module
+
 /-!
 
 # Classical mechanics
@@ -10,4 +12,4 @@ Authors: Joseph Tooby-Smith
 This file is currently a stub.
 Please feel free to contribute!
 
--/
+-/@[expose] public section
diff --git a/PhysLean/ClassicalMechanics/DampedHarmonicOscillator/Basic.lean b/PhysLean/ClassicalMechanics/DampedHarmonicOscillator/Basic.lean
index 728e3d42e..e0c07586b 100644
--- a/PhysLean/ClassicalMechanics/DampedHarmonicOscillator/Basic.lean
+++ b/PhysLean/ClassicalMechanics/DampedHarmonicOscillator/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Nicola Bernini. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Nicola Bernini
 -/
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.ClassicalMechanics.EulerLagrange
-import PhysLean.ClassicalMechanics.HamiltonsEquations
+module
+
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.ClassicalMechanics.EulerLagrange
+public import PhysLean.ClassicalMechanics.HamiltonsEquations
 /-!
 
 # The Damped Harmonic Oscillator
@@ -59,6 +61,8 @@ References for the damped harmonic oscillator include:
 
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 open Real
 open ContDiff
diff --git a/PhysLean/ClassicalMechanics/EulerLagrange.lean b/PhysLean/ClassicalMechanics/EulerLagrange.lean
index d1c75fdbe..c81837a69 100644
--- a/PhysLean/ClassicalMechanics/EulerLagrange.lean
+++ b/PhysLean/ClassicalMechanics/EulerLagrange.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
 /-!
 
 # Euler-Lagrange equations
@@ -14,6 +16,8 @@ and prove the that the variational derivative of the action functional
 
 -/
 
+@[expose] public section
+
 open MeasureTheory ContDiff InnerProductSpace Time
 
 variable {X} [NormedAddCommGroup X] [InnerProductSpace ℝ X] [CompleteSpace X]
diff --git a/PhysLean/ClassicalMechanics/HamiltonsEquations.lean b/PhysLean/ClassicalMechanics/HamiltonsEquations.lean
index 0c5edb7d0..e43db2339 100644
--- a/PhysLean/ClassicalMechanics/HamiltonsEquations.lean
+++ b/PhysLean/ClassicalMechanics/HamiltonsEquations.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
 /-!
 
 # Hamilton's equations
@@ -23,6 +25,8 @@ applied to `(p, q)`.
 
 -/
 
+@[expose] public section
+
 open MeasureTheory ContDiff InnerProductSpace Time
 
 namespace ClassicalMechanics
diff --git a/PhysLean/ClassicalMechanics/HarmonicOscillator/Basic.lean b/PhysLean/ClassicalMechanics/HarmonicOscillator/Basic.lean
index 5d7b4a39e..8c1a20f2e 100644
--- a/PhysLean/ClassicalMechanics/HarmonicOscillator/Basic.lean
+++ b/PhysLean/ClassicalMechanics/HarmonicOscillator/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith, Lode Vermeulen
 -/
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.ClassicalMechanics.EulerLagrange
-import PhysLean.ClassicalMechanics.HamiltonsEquations
-import PhysLean.ClassicalMechanics.HarmonicOscillator.ConfigurationSpace
+module
+
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.ClassicalMechanics.EulerLagrange
+public import PhysLean.ClassicalMechanics.HamiltonsEquations
+public import PhysLean.ClassicalMechanics.HarmonicOscillator.ConfigurationSpace
 /-!
 
 # The Classical Harmonic Oscillator
@@ -81,6 +83,8 @@ References for the classical harmonic oscillator include:
 
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 open Real
 open Space
diff --git a/PhysLean/ClassicalMechanics/HarmonicOscillator/ConfigurationSpace.lean b/PhysLean/ClassicalMechanics/HarmonicOscillator/ConfigurationSpace.lean
index 4ae1e08d3..bf6394ac8 100644
--- a/PhysLean/ClassicalMechanics/HarmonicOscillator/ConfigurationSpace.lean
+++ b/PhysLean/ClassicalMechanics/HarmonicOscillator/ConfigurationSpace.lean
@@ -3,8 +3,10 @@ Copyright (c) 2026 Nicola Bernini. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Nicola Bernini
 -/
-import Mathlib.Geometry.Manifold.Diffeomorph
-import PhysLean.SpaceAndTime.Time.Basic
+module
+
+public import Mathlib.Geometry.Manifold.Diffeomorph
+public import PhysLean.SpaceAndTime.Time.Basic
 /-!
 # Configuration space of the harmonic oscillator
 
@@ -12,6 +14,8 @@ The configuration space is defined as a one-dimensional smooth manifold,
 modeled on `ℝ`, with a chosen coordinate.
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 
 namespace HarmonicOscillator
diff --git a/PhysLean/ClassicalMechanics/HarmonicOscillator/Solution.lean b/PhysLean/ClassicalMechanics/HarmonicOscillator/Solution.lean
index 276fab0d9..50ce13332 100644
--- a/PhysLean/ClassicalMechanics/HarmonicOscillator/Solution.lean
+++ b/PhysLean/ClassicalMechanics/HarmonicOscillator/Solution.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith, Lode Vermeulen
 -/
-import Mathlib.Analysis.CStarAlgebra.Classes
-import PhysLean.ClassicalMechanics.HarmonicOscillator.Basic
-import PhysLean.Units.Basic
+module
+
+public import Mathlib.Analysis.CStarAlgebra.Classes
+public import PhysLean.ClassicalMechanics.HarmonicOscillator.Basic
+public import PhysLean.Units.Basic
 /-!
 
 # Solutions to the classical harmonic oscillator
@@ -53,6 +55,8 @@ References for the classical harmonic oscillator include:
 
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 open Real Time ContDiff
 
diff --git a/PhysLean/ClassicalMechanics/Lagrangian/TotalDerivativeEquivalence.lean b/PhysLean/ClassicalMechanics/Lagrangian/TotalDerivativeEquivalence.lean
index a3f2679bc..9d60d665c 100644
--- a/PhysLean/ClassicalMechanics/Lagrangian/TotalDerivativeEquivalence.lean
+++ b/PhysLean/ClassicalMechanics/Lagrangian/TotalDerivativeEquivalence.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Rein Zustand. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Rein Zustand
 -/
-import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
 /-!
 
 # Equivalent Lagrangians under Total Derivatives
@@ -51,6 +53,8 @@ This is because:
 
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 
 open InnerProductSpace
diff --git a/PhysLean/ClassicalMechanics/Mass/MassUnit.lean b/PhysLean/ClassicalMechanics/Mass/MassUnit.lean
index 4eee024bd..8a4a96a33 100644
--- a/PhysLean/ClassicalMechanics/Mass/MassUnit.lean
+++ b/PhysLean/ClassicalMechanics/Mass/MassUnit.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Geometry.Manifold.Diffeomorph
-import PhysLean.SpaceAndTime.Time.Basic
+module
+
+public import Mathlib.Geometry.Manifold.Diffeomorph
+public import PhysLean.SpaceAndTime.Time.Basic
 /-!
 
 # Units on Mass
@@ -24,6 +26,8 @@ existence of the mass unit of kilograms, and construct all other mass units from
 
 -/
 
+@[expose] public section
+
 open NNReal
 
 /-- The choices of translationally-invariant metrics on the mass-manifold.
diff --git a/PhysLean/ClassicalMechanics/Pendulum/CoplanarDoublePendulum.lean b/PhysLean/ClassicalMechanics/Pendulum/CoplanarDoublePendulum.lean
index 4fe0da0c7..063e67a7b 100644
--- a/PhysLean/ClassicalMechanics/Pendulum/CoplanarDoublePendulum.lean
+++ b/PhysLean/ClassicalMechanics/Pendulum/CoplanarDoublePendulum.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Shlok Vaibhav Singh. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Shlok Vaibhav Singh
 -/
-import PhysLean.Meta.Informal.Basic
-import PhysLean.Meta.Sorry
+module
+
+public import PhysLean.Meta.Informal.Basic
+public import PhysLean.Meta.Sorry
 /-!
 # Coplanar Double Pendulum
 ### Tag: LnL_1.5.1
@@ -62,6 +64,8 @@ so that the Lagrangian becomes:
 $$
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 
 namespace CoplanarDoublePendulum
diff --git a/PhysLean/ClassicalMechanics/Pendulum/MiscellaneousPendulumPivotMotions.lean b/PhysLean/ClassicalMechanics/Pendulum/MiscellaneousPendulumPivotMotions.lean
index 02962f19a..ad8facf17 100644
--- a/PhysLean/ClassicalMechanics/Pendulum/MiscellaneousPendulumPivotMotions.lean
+++ b/PhysLean/ClassicalMechanics/Pendulum/MiscellaneousPendulumPivotMotions.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Shlok Vaibhav Singh. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Shlok Vaibhav Singh
 -/
+module
+
 /-!
 # Miscellaneous Pendulum Pivot Motions
 ### Tag: LnL_1.5.3
@@ -139,7 +141,7 @@ Ignoring the total time derivate term, the final lagrangian becomes:
 $$
 L = \tfrac{1}{2} m l^2\dot{\phi}^2 + m g l \cos\phi - m a l \gamma^2 \cos\phi\cos(\gamma t)
 $$
--/
+-/@[expose] public section
 
 namespace ClassicalMechanics
 
diff --git a/PhysLean/ClassicalMechanics/Pendulum/SlidingPendulum.lean b/PhysLean/ClassicalMechanics/Pendulum/SlidingPendulum.lean
index 062fa321d..69a447774 100644
--- a/PhysLean/ClassicalMechanics/Pendulum/SlidingPendulum.lean
+++ b/PhysLean/ClassicalMechanics/Pendulum/SlidingPendulum.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Shlok Vaibhav Singh. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Shlok Vaibhav Singh
 -/
-import PhysLean.Meta.Sorry
+module
+
+public import PhysLean.Meta.Sorry
 /-!
 # Sliding Pendulum
 ### Tag: LnL_1.5.2
@@ -55,6 +57,8 @@ $$
 
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 
 namespace SlidingPendulum
diff --git a/PhysLean/ClassicalMechanics/RigidBody/Basic.lean b/PhysLean/ClassicalMechanics/RigidBody/Basic.lean
index dd3ddc073..e59b1e516 100644
--- a/PhysLean/ClassicalMechanics/RigidBody/Basic.lean
+++ b/PhysLean/ClassicalMechanics/RigidBody/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Curl
-import Mathlib.Geometry.Manifold.Algebra.SmoothFunctions
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Curl
+public import Mathlib.Geometry.Manifold.Algebra.SmoothFunctions
 /-!
 
 # Rigid bodies
@@ -21,6 +23,8 @@ In this module we will define the basic properties of a rigid body, including
 - Landau and Lifshitz, Mechanics, page 100, Section 32
 -/
 
+@[expose] public section
+
 open Manifold
 
 TODO "MEX5S" "The definition of a rigid body is currently defined via linear maps
diff --git a/PhysLean/ClassicalMechanics/RigidBody/SolidSphere.lean b/PhysLean/ClassicalMechanics/RigidBody/SolidSphere.lean
index 970d8e410..a46cea817 100644
--- a/PhysLean/ClassicalMechanics/RigidBody/SolidSphere.lean
+++ b/PhysLean/ClassicalMechanics/RigidBody/SolidSphere.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.ClassicalMechanics.RigidBody.Basic
+module
+
+public import PhysLean.ClassicalMechanics.RigidBody.Basic
 /-!
 
 # The solid sphere as a rigid body
@@ -13,6 +15,8 @@ center of mass and inertia tensor.
 
 -/
 
+@[expose] public section
+
 open Manifold
 open MeasureTheory
 namespace RigidBody
diff --git a/PhysLean/ClassicalMechanics/Scattering/RigidSphere.lean b/PhysLean/ClassicalMechanics/Scattering/RigidSphere.lean
index 16e566849..b79e973fc 100644
--- a/PhysLean/ClassicalMechanics/Scattering/RigidSphere.lean
+++ b/PhysLean/ClassicalMechanics/Scattering/RigidSphere.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.TODO.Basic
+module
+
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # Scattering off a perfectly rigid sphere
@@ -13,4 +15,6 @@ import PhysLean.Meta.TODO.Basic
 - Landau and Lifshitz, Mechanics, page 50, Section 18, Problem 1
 -/
 
+@[expose] public section
+
 TODO "L7OTP" "Derive the scattering cross section of a perfectly rigid sphere."
diff --git a/PhysLean/ClassicalMechanics/Vibrations/LinearTriatomic.lean b/PhysLean/ClassicalMechanics/Vibrations/LinearTriatomic.lean
index af88fbcd9..5a234986c 100644
--- a/PhysLean/ClassicalMechanics/Vibrations/LinearTriatomic.lean
+++ b/PhysLean/ClassicalMechanics/Vibrations/LinearTriatomic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.TODO.Basic
+module
+
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # Vibrations of a symmetric linear triatomic molecule
@@ -13,4 +15,6 @@ import PhysLean.Meta.TODO.Basic
 - Landau and Lifshitz, Mechanics, page 72, Section 24, Problem 1
 -/
 
+@[expose] public section
+
 TODO "L7O4I" "Derive the frequencies of vibaration of a symmetric linear triatomic molecule."
diff --git a/PhysLean/ClassicalMechanics/WaveEquation/Basic.lean b/PhysLean/ClassicalMechanics/WaveEquation/Basic.lean
index a3687d8ba..d2b98925e 100644
--- a/PhysLean/ClassicalMechanics/WaveEquation/Basic.lean
+++ b/PhysLean/ClassicalMechanics/WaveEquation/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Zhi Kai Pong. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong
 -/
-import PhysLean.SpaceAndTime.Space.CrossProduct
-import PhysLean.SpaceAndTime.TimeAndSpace.Basic
+module
+
+public import PhysLean.SpaceAndTime.Space.CrossProduct
+public import PhysLean.SpaceAndTime.TimeAndSpace.Basic
 /-!
 
 # Wave equation
@@ -39,6 +41,8 @@ By a plne wave we mean a function of the form `f(t, x) = f₀(⟪x, s⟫_ℝ - c
 
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 
 open Space
diff --git a/PhysLean/ClassicalMechanics/WaveEquation/HarmonicWave.lean b/PhysLean/ClassicalMechanics/WaveEquation/HarmonicWave.lean
index e97044ead..9e25a2b3a 100644
--- a/PhysLean/ClassicalMechanics/WaveEquation/HarmonicWave.lean
+++ b/PhysLean/ClassicalMechanics/WaveEquation/HarmonicWave.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Zhi Kai Pong. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong
 -/
-import PhysLean.ClassicalMechanics.WaveEquation.Basic
+module
+
+public import PhysLean.ClassicalMechanics.WaveEquation.Basic
 /-!
 
 # Harmonic Wave
@@ -15,6 +17,8 @@ the status of Fourier theory in Mathlib.
 
 -/
 
+@[expose] public section
+
 namespace ClassicalMechanics
 open Space
 
diff --git a/PhysLean/CondensedMatter/Basic.lean b/PhysLean/CondensedMatter/Basic.lean
index 03b8b831b..837df4a87 100644
--- a/PhysLean/CondensedMatter/Basic.lean
+++ b/PhysLean/CondensedMatter/Basic.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
+module
+
 /-!
 
 # Condensed Matter
@@ -18,4 +20,4 @@ Some directories which are NOT currently place holders are:
 - Quantum Mechanics
 - Relativity
 
--/
+-/@[expose] public section
diff --git a/PhysLean/CondensedMatter/TightBindingChain/Basic.lean b/PhysLean/CondensedMatter/TightBindingChain/Basic.lean
index 9efa879a9..8c016bb98 100644
--- a/PhysLean/CondensedMatter/TightBindingChain/Basic.lean
+++ b/PhysLean/CondensedMatter/TightBindingChain/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Informal.Basic
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.Meta.Linters.Sorry
-import PhysLean.QuantumMechanics.FiniteTarget.HilbertSpace
+module
+
+public import PhysLean.Meta.Informal.Basic
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.Meta.Linters.Sorry
+public import PhysLean.QuantumMechanics.FiniteTarget.HilbertSpace
 /-!
 
 # The tight binding chain
@@ -68,6 +70,8 @@ with periodic boundary conditions.
 
 -/
 
+@[expose] public section
+
 namespace CondensedMatter
 
 /-!
diff --git a/PhysLean/Cosmology/Basic.lean b/PhysLean/Cosmology/Basic.lean
index 27649e676..2042ae74f 100644
--- a/PhysLean/Cosmology/Basic.lean
+++ b/PhysLean/Cosmology/Basic.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
+module
+
 /-!
 
 # Cosmology
@@ -18,4 +20,4 @@ Some directories which are NOT currently place holders are:
 - Quantum Mechanics
 - Relativity
 
--/
+-/@[expose] public section
diff --git a/PhysLean/Cosmology/FLRW/Basic.lean b/PhysLean/Cosmology/FLRW/Basic.lean
index 5bef35ced..d65da391f 100644
--- a/PhysLean/Cosmology/FLRW/Basic.lean
+++ b/PhysLean/Cosmology/FLRW/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Luis Gabriel C. Bariuan, Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Basic
-import Mathlib.Analysis.SpecialFunctions.Trigonometric.DerivHyp
+module
+
+public import PhysLean.SpaceAndTime.Space.Basic
+public import Mathlib.Analysis.SpecialFunctions.Trigonometric.DerivHyp
 /-!
 
 # The Friedmann-Lemaître-Robertson-Walker metric
@@ -13,6 +15,8 @@ Parts of this file is currently informal or semiformal.
 
 -/
 
+@[expose] public section
+
 open Filter
 open scoped Topology
 
diff --git a/PhysLean/Electromagnetism/Basic.lean b/PhysLean/Electromagnetism/Basic.lean
index 7ef982c70..74ba09220 100644
--- a/PhysLean/Electromagnetism/Basic.lean
+++ b/PhysLean/Electromagnetism/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.Basic
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.Basic
 /-!
 
 # Electromagnetism
@@ -14,6 +16,8 @@ This module is old and parts of it will soon be replaced.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 
 /-- The electric field is a map from `d`+1 dimensional spacetime to the vector space
diff --git a/PhysLean/Electromagnetism/Charge/ChargeUnit.lean b/PhysLean/Electromagnetism/Charge/ChargeUnit.lean
index 89ab1848f..5ab755452 100644
--- a/PhysLean/Electromagnetism/Charge/ChargeUnit.lean
+++ b/PhysLean/Electromagnetism/Charge/ChargeUnit.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Algebra.EuclideanDomain.Basic
-import Mathlib.Algebra.EuclideanDomain.Field
-import Mathlib.Analysis.RCLike.Basic
-import PhysLean.Meta.TODO.Basic
+module
+
+public import Mathlib.Algebra.EuclideanDomain.Basic
+public import Mathlib.Algebra.EuclideanDomain.Field
+public import Mathlib.Analysis.RCLike.Basic
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # The units of charge
@@ -30,6 +32,8 @@ existence of the charge unit of the coulomb, and construct all other charge unit
 
 -/
 
+@[expose] public section
+
 open NNReal
 
 /-- The choices of translationally-invariant metrics on the charge-manifold.
diff --git a/PhysLean/Electromagnetism/Current/CircularCoil.lean b/PhysLean/Electromagnetism/Current/CircularCoil.lean
index 99503e2f1..213908793 100644
--- a/PhysLean/Electromagnetism/Current/CircularCoil.lean
+++ b/PhysLean/Electromagnetism/Current/CircularCoil.lean
@@ -3,11 +3,13 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.IsExtrema
-import PhysLean.SpaceAndTime.Space.Norm
-import PhysLean.SpaceAndTime.Space.Translations
-import PhysLean.SpaceAndTime.Space.ConstantSliceDist
-import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
+module
+
+public import PhysLean.Electromagnetism.Dynamics.IsExtrema
+public import PhysLean.SpaceAndTime.Space.Norm
+public import PhysLean.SpaceAndTime.Space.Translations
+public import PhysLean.SpaceAndTime.Space.ConstantSliceDist
+public import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
 /-!
 # The electrostatics of a circular coil
 
@@ -29,6 +31,8 @@ electromagnetic potentials and fields around a circular coil.
 
 -/
 
+@[expose] public section
+
 TODO "TCGIW" "Copying the structure of the electrostatics of an infinite wire,
   complete the definitions and proofs for a circular coil carrying a steady current."
 
diff --git a/PhysLean/Electromagnetism/Current/InfiniteWire.lean b/PhysLean/Electromagnetism/Current/InfiniteWire.lean
index 3f0ee1330..0625682bb 100644
--- a/PhysLean/Electromagnetism/Current/InfiniteWire.lean
+++ b/PhysLean/Electromagnetism/Current/InfiniteWire.lean
@@ -3,11 +3,13 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.IsExtrema
-import PhysLean.SpaceAndTime.Space.Norm
-import PhysLean.SpaceAndTime.Space.Translations
-import PhysLean.SpaceAndTime.Space.ConstantSliceDist
-import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
+module
+
+public import PhysLean.Electromagnetism.Dynamics.IsExtrema
+public import PhysLean.SpaceAndTime.Space.Norm
+public import PhysLean.SpaceAndTime.Space.Translations
+public import PhysLean.SpaceAndTime.Space.ConstantSliceDist
+public import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
 /-!
 
 # The magnetic field around a infinite wire
@@ -39,6 +41,8 @@ carrying a steady current along the x-axis.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Distribution SchwartzMap
 open Space MeasureTheory
diff --git a/PhysLean/Electromagnetism/Dynamics/Basic.lean b/PhysLean/Electromagnetism/Dynamics/Basic.lean
index 18b673a5f..58e3a1e91 100644
--- a/PhysLean/Electromagnetism/Dynamics/Basic.lean
+++ b/PhysLean/Electromagnetism/Dynamics/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Basic
+module
+
+public import PhysLean.Electromagnetism.Basic
 /-!
 
 # Free space
@@ -33,6 +35,8 @@ in free space in terms of these constants.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 
 /-!
diff --git a/PhysLean/Electromagnetism/Dynamics/CurrentDensity.lean b/PhysLean/Electromagnetism/Dynamics/CurrentDensity.lean
index c62fa4843..efebb7a5c 100644
--- a/PhysLean/Electromagnetism/Dynamics/CurrentDensity.lean
+++ b/PhysLean/Electromagnetism/Dynamics/CurrentDensity.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.TimeSlice
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.TimeSlice
 /-!
 
 # The Lorentz Current Density
@@ -46,6 +48,8 @@ The current density is given in terms of the charge density `ρ` and the current
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open TensorSpecies
 open SpaceTime
diff --git a/PhysLean/Electromagnetism/Dynamics/Hamiltonian.lean b/PhysLean/Electromagnetism/Dynamics/Hamiltonian.lean
index 17a38b4f7..9d43f502b 100644
--- a/PhysLean/Electromagnetism/Dynamics/Hamiltonian.lean
+++ b/PhysLean/Electromagnetism/Dynamics/Hamiltonian.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.Lagrangian
+module
+
+public import PhysLean.Electromagnetism.Dynamics.Lagrangian
 /-!
 
 # The Hamiltonian in electromagnetism
@@ -40,6 +42,8 @@ in the case of three spatial dimensions.
 - https://ph.qmul.ac.uk/sites/default/files/EMT10new.pdf
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Dynamics/IsExtrema.lean b/PhysLean/Electromagnetism/Dynamics/IsExtrema.lean
index 799780212..e58a7f5b1 100644
--- a/PhysLean/Electromagnetism/Dynamics/IsExtrema.lean
+++ b/PhysLean/Electromagnetism/Dynamics/IsExtrema.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.Lagrangian
+module
+
+public import PhysLean.Electromagnetism.Dynamics.Lagrangian
 /-!
 
 # Extrema of the Lagrangian density
@@ -47,6 +49,8 @@ Maxwell's equations with sources, i.e. Gauss's law and Ampère's law.
 ## iv. References
 
 -/
+
+@[expose] public section
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Dynamics/KineticTerm.lean b/PhysLean/Electromagnetism/Dynamics/KineticTerm.lean
index aed2091a9..3928e83ec 100644
--- a/PhysLean/Electromagnetism/Dynamics/KineticTerm.lean
+++ b/PhysLean/Electromagnetism/Dynamics/KineticTerm.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Kinematics.MagneticField
-import PhysLean.Electromagnetism.Dynamics.Basic
+module
+
+public import PhysLean.Electromagnetism.Kinematics.MagneticField
+public import PhysLean.Electromagnetism.Dynamics.Basic
 /-!
 
 # The kinetic term
@@ -58,6 +60,8 @@ In this implementation we have set `μ₀ = 1`. It is a TODO to introduce this c
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Dynamics/Lagrangian.lean b/PhysLean/Electromagnetism/Dynamics/Lagrangian.lean
index d4219ab6b..1b21f1fae 100644
--- a/PhysLean/Electromagnetism/Dynamics/Lagrangian.lean
+++ b/PhysLean/Electromagnetism/Dynamics/Lagrangian.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.CurrentDensity
-import PhysLean.Electromagnetism.Dynamics.KineticTerm
+module
+
+public import PhysLean.Electromagnetism.Dynamics.CurrentDensity
+public import PhysLean.Electromagnetism.Dynamics.KineticTerm
 /-!
 
 # The Lagrangian in electromagnetism
@@ -62,6 +64,8 @@ In this implementation we set `μ₀ = 1`. It is a TODO to introduce this consta
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Kinematics/Boosts.lean b/PhysLean/Electromagnetism/Kinematics/Boosts.lean
index 12db3e0eb..f6b367834 100644
--- a/PhysLean/Electromagnetism/Kinematics/Boosts.lean
+++ b/PhysLean/Electromagnetism/Kinematics/Boosts.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Kinematics.MagneticField
-import PhysLean.SpaceAndTime.SpaceTime.Boosts
+module
+
+public import PhysLean.Electromagnetism.Kinematics.MagneticField
+public import PhysLean.SpaceAndTime.SpaceTime.Boosts
 /-!
 
 # Boosts on the electric and magnetic fields
@@ -41,6 +43,8 @@ See e.g.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 
 namespace ElectromagneticPotential
diff --git a/PhysLean/Electromagnetism/Kinematics/EMPotential.lean b/PhysLean/Electromagnetism/Kinematics/EMPotential.lean
index f76046a36..f0239b1f1 100644
--- a/PhysLean/Electromagnetism/Kinematics/EMPotential.lean
+++ b/PhysLean/Electromagnetism/Kinematics/EMPotential.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Basic
-import PhysLean.SpaceAndTime.SpaceTime.TimeSlice
-import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
+module
+
+public import PhysLean.Electromagnetism.Basic
+public import PhysLean.SpaceAndTime.SpaceTime.TimeSlice
+public import PhysLean.Mathematics.VariationalCalculus.HasVarGradient
 /-!
 
 # The Electromagnetic Potential
@@ -47,6 +49,8 @@ spacetime to contravariant Lorentz vectors.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Kinematics/ElectricField.lean b/PhysLean/Electromagnetism/Kinematics/ElectricField.lean
index 9a9024a88..566da2ff6 100644
--- a/PhysLean/Electromagnetism/Kinematics/ElectricField.lean
+++ b/PhysLean/Electromagnetism/Kinematics/ElectricField.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Kinematics.VectorPotential
-import PhysLean.Electromagnetism.Kinematics.ScalarPotential
-import PhysLean.Electromagnetism.Kinematics.FieldStrength
+module
+
+public import PhysLean.Electromagnetism.Kinematics.VectorPotential
+public import PhysLean.Electromagnetism.Kinematics.ScalarPotential
+public import PhysLean.Electromagnetism.Kinematics.FieldStrength
 /-!
 
 # The Electric Field
@@ -38,6 +40,8 @@ In this module we define the electric field, and prove lemmas about it.
 ## iv. References
 
 -/
+
+@[expose] public section
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Kinematics/FieldStrength.lean b/PhysLean/Electromagnetism/Kinematics/FieldStrength.lean
index c091859ee..e7b873476 100644
--- a/PhysLean/Electromagnetism/Kinematics/FieldStrength.lean
+++ b/PhysLean/Electromagnetism/Kinematics/FieldStrength.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Kinematics.EMPotential
+module
+
+public import PhysLean.Electromagnetism.Kinematics.EMPotential
 /-!
 
 # The Field Strength Tensor
@@ -41,6 +43,8 @@ We define a tensor version and a matrix version and prover various properties of
 ## iv. References
 
 -/
+
+@[expose] public section
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Kinematics/MagneticField.lean b/PhysLean/Electromagnetism/Kinematics/MagneticField.lean
index db43e67c5..d2d65ebfa 100644
--- a/PhysLean/Electromagnetism/Kinematics/MagneticField.lean
+++ b/PhysLean/Electromagnetism/Kinematics/MagneticField.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Kinematics.ElectricField
+module
+
+public import PhysLean.Electromagnetism.Kinematics.ElectricField
 /-!
 
 # The Magnetic Field
@@ -50,6 +52,8 @@ field strength matrix. This is an antisymmetric matrix.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Kinematics/ScalarPotential.lean b/PhysLean/Electromagnetism/Kinematics/ScalarPotential.lean
index 6d4a3f722..33cdd1a52 100644
--- a/PhysLean/Electromagnetism/Kinematics/ScalarPotential.lean
+++ b/PhysLean/Electromagnetism/Kinematics/ScalarPotential.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Kinematics.EMPotential
+module
+
+public import PhysLean.Electromagnetism.Kinematics.EMPotential
 /-!
 
 # The Scalar Potential
@@ -36,6 +38,8 @@ the scalar potential is non-relativistic and is therefore a function of `Time` a
 ## iv. References
 
 -/
+
+@[expose] public section
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Kinematics/VectorPotential.lean b/PhysLean/Electromagnetism/Kinematics/VectorPotential.lean
index d8cb943d9..ebbe360a8 100644
--- a/PhysLean/Electromagnetism/Kinematics/VectorPotential.lean
+++ b/PhysLean/Electromagnetism/Kinematics/VectorPotential.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Kinematics.EMPotential
+module
+
+public import PhysLean.Electromagnetism.Kinematics.EMPotential
 /-!
 
 # The vector Potential
@@ -37,6 +39,8 @@ the vector potential is non-relativistic and is therefore a function of `Time` a
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/PointParticle/OneDimension.lean b/PhysLean/Electromagnetism/PointParticle/OneDimension.lean
index e8f72a743..03a16079d 100644
--- a/PhysLean/Electromagnetism/PointParticle/OneDimension.lean
+++ b/PhysLean/Electromagnetism/PointParticle/OneDimension.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.IsExtrema
-import PhysLean.SpaceAndTime.Space.Norm
-import PhysLean.SpaceAndTime.Space.Translations
-import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
+module
+
+public import PhysLean.Electromagnetism.Dynamics.IsExtrema
+public import PhysLean.SpaceAndTime.Space.Norm
+public import PhysLean.SpaceAndTime.Space.Translations
+public import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
 /-!
 
 # The electrostatics of a stationary point particle in 1d
@@ -39,6 +41,8 @@ sitting at the origin in 1d space.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Distribution SchwartzMap
 open Space MeasureTheory
diff --git a/PhysLean/Electromagnetism/PointParticle/ThreeDimension.lean b/PhysLean/Electromagnetism/PointParticle/ThreeDimension.lean
index 301024f24..107c34a5f 100644
--- a/PhysLean/Electromagnetism/PointParticle/ThreeDimension.lean
+++ b/PhysLean/Electromagnetism/PointParticle/ThreeDimension.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.IsExtrema
-import PhysLean.SpaceAndTime.Space.Norm
-import PhysLean.SpaceAndTime.Space.Translations
-import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
+module
+
+public import PhysLean.Electromagnetism.Dynamics.IsExtrema
+public import PhysLean.SpaceAndTime.Space.Norm
+public import PhysLean.SpaceAndTime.Space.Translations
+public import PhysLean.SpaceAndTime.TimeAndSpace.ConstantTimeDist
 /-!
 
 # Electrostatics of a stationary point particle in 3d
@@ -41,6 +43,8 @@ sitting at the origin in 3d space.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Distribution SchwartzMap
 open Space MeasureTheory
diff --git a/PhysLean/Electromagnetism/Vacuum/Constant.lean b/PhysLean/Electromagnetism/Vacuum/Constant.lean
index fe943b1c8..8b7b3a582 100644
--- a/PhysLean/Electromagnetism/Vacuum/Constant.lean
+++ b/PhysLean/Electromagnetism/Vacuum/Constant.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Dynamics.IsExtrema
+module
+
+public import PhysLean.Electromagnetism.Dynamics.IsExtrema
 /-!
 
 # The constant electric and magnetic fields
@@ -34,6 +36,8 @@ electromagnetic action.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 open Module realLorentzTensor
 open IndexNotation
diff --git a/PhysLean/Electromagnetism/Vacuum/HarmonicWave.lean b/PhysLean/Electromagnetism/Vacuum/HarmonicWave.lean
index e3fca392b..b5d9b779a 100644
--- a/PhysLean/Electromagnetism/Vacuum/HarmonicWave.lean
+++ b/PhysLean/Electromagnetism/Vacuum/HarmonicWave.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Zhi Kai Pong. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith
 -/
-import PhysLean.Electromagnetism.Vacuum.IsPlaneWave
+module
+
+public import PhysLean.Electromagnetism.Vacuum.IsPlaneWave
 /-!
 
 # Harmonic Wave in Vacuum
@@ -49,6 +51,8 @@ form of a matrix rather than a vector.
 ## iv. References
 
 -/
+
+@[expose] public section
 namespace Electromagnetism
 
 open Space Module
diff --git a/PhysLean/Electromagnetism/Vacuum/IsPlaneWave.lean b/PhysLean/Electromagnetism/Vacuum/IsPlaneWave.lean
index 7f2e4b920..0c70be227 100644
--- a/PhysLean/Electromagnetism/Vacuum/IsPlaneWave.lean
+++ b/PhysLean/Electromagnetism/Vacuum/IsPlaneWave.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Zhi Kai Pong. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith
 -/
-import PhysLean.ClassicalMechanics.WaveEquation.Basic
-import PhysLean.Electromagnetism.Dynamics.IsExtrema
+module
+
+public import PhysLean.ClassicalMechanics.WaveEquation.Basic
+public import PhysLean.Electromagnetism.Dynamics.IsExtrema
 /-!
 
 # Electromagnetic wave equation
@@ -51,6 +53,8 @@ in general dimensions.
 
 -/
 
+@[expose] public section
+
 namespace Electromagnetism
 
 open Space Module
diff --git a/PhysLean/Mathematics/Calculus/AdjFDeriv.lean b/PhysLean/Mathematics/Calculus/AdjFDeriv.lean
index 8a9f5aedf..733dba9c2 100644
--- a/PhysLean/Mathematics/Calculus/AdjFDeriv.lean
+++ b/PhysLean/Mathematics/Calculus/AdjFDeriv.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan
 -/
-import Mathlib.Analysis.Calculus.Gradient.Basic
-import PhysLean.Mathematics.FDerivCurry
-import PhysLean.Mathematics.InnerProductSpace.Adjoint
-import PhysLean.Mathematics.InnerProductSpace.Calculus
+module
+
+public import Mathlib.Analysis.Calculus.Gradient.Basic
+public import PhysLean.Mathematics.FDerivCurry
+public import PhysLean.Mathematics.InnerProductSpace.Adjoint
+public import PhysLean.Mathematics.InnerProductSpace.Calculus
 /-!
 
 # Adjoint Fréchet derivative
@@ -24,6 +26,8 @@ the natural product is `WithLp 2 (X × Y)`.
 For example:
 -/
 
+@[expose] public section
+
 noncomputable section
 
 variable
diff --git a/PhysLean/Mathematics/Calculus/Divergence.lean b/PhysLean/Mathematics/Calculus/Divergence.lean
index 4547076c5..b909940b7 100644
--- a/PhysLean/Mathematics/Calculus/Divergence.lean
+++ b/PhysLean/Mathematics/Calculus/Divergence.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan
 -/
-import Mathlib.Analysis.InnerProductSpace.Trace
-import PhysLean.Mathematics.Calculus.AdjFDeriv
-import PhysLean.SpaceAndTime.TimeAndSpace.Basic
+module
+
+public import Mathlib.Analysis.InnerProductSpace.Trace
+public import PhysLean.Mathematics.Calculus.AdjFDeriv
+public import PhysLean.SpaceAndTime.TimeAndSpace.Basic
 /-!
 
 # Divergence
@@ -14,6 +16,8 @@ In this module we define and create an API around the divergence of a map `f : E
 where `E` is a normed space over a field `𝕜`.
 
 -/
+
+@[expose] public section
 noncomputable section
 open Module
 open scoped InnerProductSpace
diff --git a/PhysLean/Mathematics/DataStructures/FourTree/Basic.lean b/PhysLean/Mathematics/DataStructures/FourTree/Basic.lean
index 528c2c3ea..f4a0a6d5d 100644
--- a/PhysLean/Mathematics/DataStructures/FourTree/Basic.lean
+++ b/PhysLean/Mathematics/DataStructures/FourTree/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Data.Multiset.Bind
-import Mathlib.Data.Multiset.Sort
+module
+
+public import Mathlib.Data.Multiset.Bind
+public import Mathlib.Data.Multiset.Sort
 /-!
 
 ## The data type FourTree
@@ -21,6 +23,8 @@ It is defined recursively, with the following structure:
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 
 namespace FourTree
diff --git a/PhysLean/Mathematics/DataStructures/FourTree/UniqueMap.lean b/PhysLean/Mathematics/DataStructures/FourTree/UniqueMap.lean
index 3b80d890e..5880748af 100644
--- a/PhysLean/Mathematics/DataStructures/FourTree/UniqueMap.lean
+++ b/PhysLean/Mathematics/DataStructures/FourTree/UniqueMap.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.DataStructures.FourTree.Basic
+module
+
+public import PhysLean.Mathematics.DataStructures.FourTree.Basic
 /-!
 
 ## Unique maps for `FourTree`
@@ -15,6 +17,8 @@ the tree has no duplicates).
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 
 namespace FourTree
diff --git a/PhysLean/Mathematics/DataStructures/Matrix/LieTrace.lean b/PhysLean/Mathematics/DataStructures/Matrix/LieTrace.lean
index 31878cf68..f0afce04d 100644
--- a/PhysLean/Mathematics/DataStructures/Matrix/LieTrace.lean
+++ b/PhysLean/Mathematics/DataStructures/Matrix/LieTrace.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Matteo Cipollina. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina
 -/
-import Mathlib.Analysis.Complex.Polynomial.Basic
-import Mathlib.Analysis.Normed.Algebra.MatrixExponential
-import PhysLean.Mathematics.SchurTriangulation
+module
+
+public import Mathlib.Analysis.Complex.Polynomial.Basic
+public import Mathlib.Analysis.Normed.Algebra.MatrixExponential
+public import PhysLean.Mathematics.SchurTriangulation
 
 /-!
 # Lie's Trace Formula
@@ -22,6 +24,8 @@ is defined in `mathlib` as `Matrix.BlockTriangular A id`.
 - `Matrix.det_exp`: The determinant of the exponential of a matrix is the exponential of its trace.
 -/
 
+@[expose] public section
+
 namespace Matrix
 
 open scoped BigOperators Topology
diff --git a/PhysLean/Mathematics/Distribution/Basic.lean b/PhysLean/Mathematics/Distribution/Basic.lean
index 76db930e2..069366d6f 100644
--- a/PhysLean/Mathematics/Distribution/Basic.lean
+++ b/PhysLean/Mathematics/Distribution/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Kenny Lau. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Kenny Lau, Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Distribution.TemperedDistribution
-import PhysLean.Meta.TODO.Basic
+module
+
+public import Mathlib.Analysis.Distribution.TemperedDistribution
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # Distributions
@@ -39,6 +41,8 @@ functions from `E` to `F`. We give a more precise definition of distributions be
 
 -/
 
+@[expose] public section
+
 open SchwartzMap NNReal
 noncomputable section
 
diff --git a/PhysLean/Mathematics/Distribution/PowMul.lean b/PhysLean/Mathematics/Distribution/PowMul.lean
index 25e74f8c3..718eef0b7 100644
--- a/PhysLean/Mathematics/Distribution/PowMul.lean
+++ b/PhysLean/Mathematics/Distribution/PowMul.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.Distribution.Basic
-import Mathlib.MeasureTheory.Constructions.HaarToSphere
+module
+
+public import PhysLean.Mathematics.Distribution.Basic
+public import Mathlib.MeasureTheory.Constructions.HaarToSphere
 /-!
 
 ## The multiple of a Schwartz map by `x`
@@ -13,6 +15,8 @@ In this module we define the continuous linear map from the Schwartz space
 `𝓢(ℝ, 𝕜)` to itself which takes a Schwartz map `η` to the Schwartz map `x * η`.
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal
 noncomputable section
 
@@ -24,7 +28,7 @@ variable [NormedSpace ℝ E]
 open ContDiff
 open MeasureTheory
 
-private lemma norm_iteratedFDeriv_ofRealCLM {x} (i : ℕ) :
+lemma norm_iteratedFDeriv_ofRealCLM {x} (i : ℕ) :
     ‖iteratedFDeriv ℝ i (RCLike.ofRealCLM (K := 𝕜)) x‖ =
       if i = 0 then |x| else if i = 1 then 1 else 0 := by
   match i with
@@ -112,7 +116,7 @@ def powOneMul : 𝓢(ℝ, 𝕜) →L[𝕜] 𝓢(ℝ, 𝕜) := by
         zero_mul, Finset.sum_singleton, ↓reduceIte, Nat.choose_self, Nat.cast_one, one_mul,
         Nat.sub_zero, norm_iteratedFDeriv_zero, CharP.cast_eq_zero, ge_iff_le]
       trans (SchwartzMap.seminorm 𝕜 (k + 1) 0) ψ
-      · apply le_trans ?_ (ψ.le_seminorm ℝ _ _ x)
+      · apply le_trans ?_ (ψ.le_seminorm 𝕜 _ _ x)
         simp only [Real.norm_eq_abs, norm_iteratedFDeriv_zero]
         ring_nf
         rfl
@@ -135,8 +139,8 @@ def powOneMul : 𝓢(ℝ, 𝕜) →L[𝕜] 𝓢(ℝ, 𝕜) := by
         refine Left.add_nonneg ?_ ?_
         · exact Nat.cast_nonneg' n
         · exact zero_le_one' ℝ
-        · exact ψ.le_seminorm ℝ k n x
-        · exact ψ.le_seminorm ℝ (k + 1) (n + 1) x
+        · exact ψ.le_seminorm 𝕜 k n x
+        · exact ψ.le_seminorm 𝕜 (k + 1) (n + 1) x
       · by_cases h1 :((SchwartzMap.seminorm 𝕜 (k + 1) (n + 1)) ψ) <
           ((SchwartzMap.seminorm 𝕜 k n) ψ)
         · rw [max_eq_left_of_lt h1]
diff --git a/PhysLean/Mathematics/FDerivCurry.lean b/PhysLean/Mathematics/FDerivCurry.lean
index bc2ed0359..6d1f6373f 100644
--- a/PhysLean/Mathematics/FDerivCurry.lean
+++ b/PhysLean/Mathematics/FDerivCurry.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Tomáš Skřivan, Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Calculus.FDeriv.Symmetric
+module
+
+public import Mathlib.Analysis.Calculus.FDeriv.Symmetric
 /-!
 # fderiv currying lemmas
 
 Various lemmas related to fderiv on curried/uncurried functions.
 
 -/
+
+@[expose] public section
 variable {𝕜 : Type*} [NontriviallyNormedField 𝕜]
     {X Y Z : Type*} [NormedAddCommGroup X] [NormedSpace 𝕜 X]
     [NormedAddCommGroup Y] [NormedSpace 𝕜 Y]
diff --git a/PhysLean/Mathematics/Fin.lean b/PhysLean/Mathematics/Fin.lean
index 045506a32..26b6e8c13 100644
--- a/PhysLean/Mathematics/Fin.lean
+++ b/PhysLean/Mathematics/Fin.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Tactic.Polyrith
-import Mathlib.Tactic.Linarith
-import Mathlib.Logic.Equiv.Fin.Basic
+module
+
+public import Mathlib.Tactic.Polyrith
+public import Mathlib.Tactic.Linarith
+public import Mathlib.Logic.Equiv.Fin.Basic
 /-!
 # Fin lemmas
 
@@ -16,6 +18,8 @@ At some point these should either be up-streamed to Mathlib or replaced with def
 in Mathlib.
 
 -/
+
+@[expose] public section
 namespace PhysLean.Fin
 
 open Fin
diff --git a/PhysLean/Mathematics/Fin/Involutions.lean b/PhysLean/Mathematics/Fin/Involutions.lean
index 905e6a9db..e4cb60366 100644
--- a/PhysLean/Mathematics/Fin/Involutions.lean
+++ b/PhysLean/Mathematics/Fin/Involutions.lean
@@ -3,12 +3,14 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Tactic.Polyrith
-import Mathlib.Tactic.Linarith
-import Mathlib.Data.Nat.Factorial.DoubleFactorial
-import Mathlib.Data.Finset.Sort
-import Mathlib.Data.Fintype.Pi
-import Mathlib.Data.Fintype.Prod
+module
+
+public import Mathlib.Tactic.Polyrith
+public import Mathlib.Tactic.Linarith
+public import Mathlib.Data.Nat.Factorial.DoubleFactorial
+public import Mathlib.Data.Finset.Sort
+public import Mathlib.Data.Fintype.Pi
+public import Mathlib.Data.Fintype.Prod
 /-!
 # Fin involutions
 
@@ -17,6 +19,8 @@ Some properties of involutions of `Fin n`.
 These involutions are used in e.g. proving results about Wick contractions.
 
 -/
+
+@[expose] public section
 namespace PhysLean.Fin
 
 open Nat
diff --git a/PhysLean/Mathematics/Geometry/Metric/PseudoRiemannian/Defs.lean b/PhysLean/Mathematics/Geometry/Metric/PseudoRiemannian/Defs.lean
index c5a120a0d..0aabad9ad 100644
--- a/PhysLean/Mathematics/Geometry/Metric/PseudoRiemannian/Defs.lean
+++ b/PhysLean/Mathematics/Geometry/Metric/PseudoRiemannian/Defs.lean
@@ -3,13 +3,14 @@ Copyright (c) 2025 Matteo Cipollina. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina
 -/
+module
 
-import Mathlib.Analysis.InnerProductSpace.Basic
-import Mathlib.Analysis.RCLike.Lemmas
-import Mathlib.Geometry.Manifold.MFDeriv.Defs
-import Mathlib.LinearAlgebra.BilinearForm.Properties
-import Mathlib.LinearAlgebra.QuadraticForm.Real
-import Mathlib.Topology.LocallyConstant.Basic
+public import Mathlib.Analysis.InnerProductSpace.Basic
+public import Mathlib.Analysis.RCLike.Lemmas
+public import Mathlib.Geometry.Manifold.MFDeriv.Defs
+public import Mathlib.LinearAlgebra.BilinearForm.Properties
+public import Mathlib.LinearAlgebra.QuadraticForm.Real
+public import Mathlib.Topology.LocallyConstant.Basic
 
 /-!
 # Pseudo-Riemannian Metrics on Smooth Manifolds
@@ -51,6 +52,8 @@ sections of a tensor bundle (e.g., `Hom(TM ⊗ TM, ℝ)` or `TM →L[ℝ] TM →
 leanprover.zulipchat.com/#narrow/channel/113488-general/topic/.28Pseudo.29.20Riemannian.20metric
 -/
 
+@[expose] public section
+
 section PseudoRiemannianMetric
 
 noncomputable section
@@ -184,7 +187,7 @@ The quadratic form `Qₓ` at `x` is defined as `Qₓ(v) = gₓ(v,v)`.
 The associated symmetric bilinear form required by `QuadraticForm.exists_companion'`
 is `Bₓ(v,w) = gₓ(v,w) + gₓ(w,v)`. Given the symmetry `symm`, this is `2 * gₓ(v,w)`.
 -/
-private def pseudoRiemannianMetricValToQuadraticForm
+def pseudoRiemannianMetricValToQuadraticForm
     {E : Type v} [NormedAddCommGroup E] [NormedSpace ℝ E]
     {H : Type w} [TopologicalSpace H]
     {M : Type w} [TopologicalSpace M] [ChartedSpace H M]
diff --git a/PhysLean/Mathematics/Geometry/Metric/Riemannian/Defs.lean b/PhysLean/Mathematics/Geometry/Metric/Riemannian/Defs.lean
index 3caa55842..a79bcf5c1 100644
--- a/PhysLean/Mathematics/Geometry/Metric/Riemannian/Defs.lean
+++ b/PhysLean/Mathematics/Geometry/Metric/Riemannian/Defs.lean
@@ -3,15 +3,19 @@ Copyright (c) 2025 Matteo Cipollina. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina
 -/
-import PhysLean.Mathematics.Geometry.Metric.PseudoRiemannian.Defs
-import Mathlib.Algebra.Lie.OfAssociative
-import Mathlib.MeasureTheory.Integral.IntervalIntegral.Basic
+module
+
+public import PhysLean.Mathematics.Geometry.Metric.PseudoRiemannian.Defs
+public import Mathlib.Algebra.Lie.OfAssociative
+public import Mathlib.MeasureTheory.Integral.IntervalIntegral.Basic
 /-!
 # Riemannian Metric Definitions
 
 This module defines the Riemannian metric, building on pseudo-Riemannian metrics.
 -/
 
+@[expose] public section
+
 namespace PseudoRiemannianMetric
 section RiemannianMetric
 
diff --git a/PhysLean/Mathematics/InnerProductSpace/Adjoint.lean b/PhysLean/Mathematics/InnerProductSpace/Adjoint.lean
index ffb352a91..53393b50f 100644
--- a/PhysLean/Mathematics/InnerProductSpace/Adjoint.lean
+++ b/PhysLean/Mathematics/InnerProductSpace/Adjoint.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan
 -/
-import PhysLean.Mathematics.InnerProductSpace.Basic
-import Mathlib.Analysis.InnerProductSpace.Adjoint
+module
+
+public import PhysLean.Mathematics.InnerProductSpace.Basic
+public import Mathlib.Analysis.InnerProductSpace.Adjoint
 /-!
 
 # Adjoint of a linear map
@@ -16,6 +18,8 @@ This is a generalization of the usual adjoint defined on `InnerProductSpace` for
 continuous linear maps.
 
 -/
+
+@[expose] public section
 variable {𝕜 : Type*} {E F G : Type*} [RCLike 𝕜]
   [NormedAddCommGroup E] [NormedSpace 𝕜 E] [InnerProductSpace' 𝕜 E]
   [NormedAddCommGroup F] [NormedSpace 𝕜 F] [InnerProductSpace' 𝕜 F]
diff --git a/PhysLean/Mathematics/InnerProductSpace/Basic.lean b/PhysLean/Mathematics/InnerProductSpace/Basic.lean
index bef7b3863..e94abc7ba 100644
--- a/PhysLean/Mathematics/InnerProductSpace/Basic.lean
+++ b/PhysLean/Mathematics/InnerProductSpace/Basic.lean
@@ -3,11 +3,13 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan
 -/
-import Mathlib.Analysis.InnerProductSpace.Calculus
-import Mathlib.Analysis.InnerProductSpace.Completion
-import Mathlib.Analysis.InnerProductSpace.ProdL2
-import Mathlib.Data.Real.CompleteField
-import Mathlib.Data.Real.StarOrdered
+module
+
+public import Mathlib.Analysis.InnerProductSpace.Calculus
+public import Mathlib.Analysis.InnerProductSpace.Completion
+public import Mathlib.Analysis.InnerProductSpace.ProdL2
+public import Mathlib.Data.Real.CompleteField
+public import Mathlib.Data.Real.StarOrdered
 /-!
 
 # Inner product space
@@ -28,6 +30,8 @@ We define the following maps:
 
 -/
 
+@[expose] public section
+
 /-- L₂ norm on `E`.
 
 In particular, on product types `X×Y` and pi types `ι → X` this class provides L₂ norm unlike `‖·‖`.
diff --git a/PhysLean/Mathematics/InnerProductSpace/Calculus.lean b/PhysLean/Mathematics/InnerProductSpace/Calculus.lean
index 9b5b168d2..282c85c0a 100644
--- a/PhysLean/Mathematics/InnerProductSpace/Calculus.lean
+++ b/PhysLean/Mathematics/InnerProductSpace/Calculus.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan
 -/
-import PhysLean.Mathematics.InnerProductSpace.Basic
-import Mathlib.Analysis.InnerProductSpace.Adjoint
+module
+
+public import PhysLean.Mathematics.InnerProductSpace.Basic
+public import Mathlib.Analysis.InnerProductSpace.Adjoint
 /-!
 
 # Generalization of calculus results to `InnerProductSpace'`
 -/
+
+@[expose] public section
 variable {𝕜 : Type*} {E F G : Type*} [RCLike 𝕜]
   [NormedAddCommGroup E] [NormedSpace ℝ E]
   [NormedAddCommGroup F] [NormedSpace ℝ F] [InnerProductSpace' ℝ F]
diff --git a/PhysLean/Mathematics/InnerProductSpace/Submodule.lean b/PhysLean/Mathematics/InnerProductSpace/Submodule.lean
index 452258608..3a7a7dbc5 100644
--- a/PhysLean/Mathematics/InnerProductSpace/Submodule.lean
+++ b/PhysLean/Mathematics/InnerProductSpace/Submodule.lean
@@ -3,7 +3,9 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import Mathlib.Analysis.InnerProductSpace.LinearPMap
+module
+
+public import Mathlib.Analysis.InnerProductSpace.LinearPMap
 /-!
 
 # Submodules of `E × E`
@@ -15,6 +17,8 @@ by default `E × E` is given the sup norm.
 
 -/
 
+@[expose] public section
+
 namespace InnerProductSpaceSubmodule
 
 open LinearPMap Submodule
diff --git a/PhysLean/Mathematics/KroneckerDelta.lean b/PhysLean/Mathematics/KroneckerDelta.lean
index 448a6e026..5a935b36c 100644
--- a/PhysLean/Mathematics/KroneckerDelta.lean
+++ b/PhysLean/Mathematics/KroneckerDelta.lean
@@ -3,8 +3,10 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import Mathlib.Algebra.Ring.Basic
-import PhysLean.Meta.TODO.Basic
+module
+
+public import Mathlib.Algebra.Ring.Basic
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # Kronecker delta
@@ -12,6 +14,8 @@ import PhysLean.Meta.TODO.Basic
 This file defines the Kronecker delta, `δ[i,j] ≔ if (i = j) then 1 else 0`.
 
 -/
+
+@[expose] public section
 TODO "YVABB" "Build functionality for working with sums involving Kronecker deltas."
 
 namespace KroneckerDelta
diff --git a/PhysLean/Mathematics/LinearMaps.lean b/PhysLean/Mathematics/LinearMaps.lean
index 7c32ea911..397fc494d 100644
--- a/PhysLean/Mathematics/LinearMaps.lean
+++ b/PhysLean/Mathematics/LinearMaps.lean
@@ -3,11 +3,13 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Tactic.Polyrith
-import Mathlib.Algebra.Module.LinearMap.Defs
-import Mathlib.Data.Fintype.BigOperators
-import PhysLean.Meta.TODO.Basic
-import Mathlib.Algebra.Ring.Rat
+module
+
+public import Mathlib.Tactic.Polyrith
+public import Mathlib.Algebra.Module.LinearMap.Defs
+public import Mathlib.Data.Fintype.BigOperators
+public import PhysLean.Meta.TODO.Basic
+public import Mathlib.Algebra.Ring.Rat
 /-!
 # Linear maps
 
@@ -15,6 +17,8 @@ Some definitions and properties of linear, bilinear, and trilinear maps, along w
 quadratic and cubic equations.
 
 -/
+
+@[expose] public section
 TODO "6VZLZ" "Replace the definitions in this file with Mathlib definitions."
 
 /-- The structure defining a homogeneous quadratic equation. -/
diff --git a/PhysLean/Mathematics/List.lean b/PhysLean/Mathematics/List.lean
index 3781a13b2..d92050c26 100644
--- a/PhysLean/Mathematics/List.lean
+++ b/PhysLean/Mathematics/List.lean
@@ -3,13 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.Fin
-import Mathlib.Data.Nat.Lattice
-import Mathlib.Data.List.TakeWhile
+module
+public import PhysLean.Mathematics.Fin
+public import Mathlib.Data.Nat.Lattice
+public import Mathlib.Data.List.TakeWhile
+import all Mathlib.Data.List.Sort
+public import Mathlib.Logic.Equiv.Defs
 /-!
 # List lemmas
 
 -/
+public section
+
 namespace PhysLean.List
 
 open Fin
@@ -128,6 +133,7 @@ lemma insertionSort_length {I : Type} (le1 : I → I → Prop) [DecidableRel le1
   List.Perm.length_eq (List.perm_insertionSort le1 l)
 
 /-- The position `r0` ends up in `r` on adding it via `List.orderedInsert _ r0 r`. -/
+@[expose]
 def orderedInsertPos {I : Type} (le1 : I → I → Prop) [DecidableRel le1] (r : List I) (r0 : I) :
     Fin (List.orderedInsert le1 r0 r).length :=
   ⟨(List.takeWhile (fun b => decide ¬ le1 r0 b) r).length, by
@@ -341,6 +347,7 @@ lemma orderedInsert_eraseIdx_orderedInsertPos_le {I : Type} (le1 : I → I → P
 
 /-- The equivalence between `Fin (r0 :: r).length` and `Fin (List.orderedInsert le1 r0 r).length`
   according to where the elements map, i.e. `0` is taken to `orderedInsertPos le1 r r0`. -/
+@[expose]
 def orderedInsertEquiv {I : Type} (le1 : I → I → Prop) [DecidableRel le1] (r : List I) (r0 : I) :
     Fin (r.length + 1) ≃ Fin (List.orderedInsert le1 r0 r).length := by
   let e2 : Fin (List.orderedInsert le1 r0 r).length ≃ Fin (r0 :: r).length :=
@@ -639,7 +646,7 @@ lemma insertionSortEquiv_order {α : Type} {r : α → α → Prop} [DecidableRe
 
 /-- Optional erase of an element in a list. For `none` returns the list, for `some i` returns
   the list with the `i`'th element erased. -/
-def optionErase {I : Type} (l : List I) (i : Option (Fin l.length)) : List I :=
+@[expose] def optionErase {I : Type} (l : List I) (i : Option (Fin l.length)) : List I :=
   match i with
   | none => l
   | some i => List.eraseIdx l i
@@ -721,13 +728,14 @@ lemma eraseIdx_insertionSort_fin {I : Type} (le1 : I → I → Prop) [DecidableR
   of `l` such that for every element `(i :: l)[b]` before that position
   `r ((i :: l)[b]) ((i :: l)[a])` is not true. The use of `i :: l` here
   rather then just `l` is to ensure that such a position exists. . -/
+@[expose]
 def insertionSortMinPos {α : Type} (r : α → α → Prop) [DecidableRel r] (i : α) (l : List α) :
     Fin (i :: l).length := (insertionSortEquiv r (i :: l)).symm ⟨0, by
     rw [insertionSort_length]
     exact Nat.zero_lt_succ l.length⟩
 
 /-- The element of `i :: l` at `insertionSortMinPos`. -/
-def insertionSortMin {α : Type} (r : α → α → Prop) [DecidableRel r] (i : α) (l : List α) :
+@[expose] def insertionSortMin {α : Type} (r : α → α → Prop) [DecidableRel r] (i : α) (l : List α) :
     α := (i :: l).get (insertionSortMinPos r i l)
 
 lemma insertionSortMin_eq_insertionSort_head {α : Type} (r : α → α → Prop) [DecidableRel r]
@@ -746,6 +754,7 @@ lemma insertionSortMin_eq_insertionSort_head {α : Type} (r : α → α → Prop
 
 /-- The list remaining after dropping the element at the position determined by
   `insertionSortMinPos`. -/
+@[expose]
 def insertionSortDropMinPos {α : Type} (r : α → α → Prop) [DecidableRel r] (i : α) (l : List α) :
     List α := (i :: l).eraseIdx (insertionSortMinPos r i l)
 
@@ -766,7 +775,7 @@ lemma insertionSort_eq_insertionSortMin_cons {α : Type} (r : α → α → Prop
   front of the list, for `some i` removes the `i`th element of the list (does not add `a`).
   E.g. `optionEraseZ [0, 1, 2] 4 none = [4, 0, 1, 2]` and
   `optionEraseZ [0, 1, 2] 4 (some 1) = [0, 2]`. -/
-def optionEraseZ {I : Type} (l : List I) (a : I) (i : Option (Fin l.length)) : List I :=
+@[expose] def optionEraseZ {I : Type} (l : List I) (a : I) (i : Option (Fin l.length)) : List I :=
   match i with
   | none => a :: l
   | some i => List.eraseIdx l i
diff --git a/PhysLean/Mathematics/List/InsertIdx.lean b/PhysLean/Mathematics/List/InsertIdx.lean
index 399af0cb5..491eb6ba5 100644
--- a/PhysLean/Mathematics/List/InsertIdx.lean
+++ b/PhysLean/Mathematics/List/InsertIdx.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Data.List.Sort
-import Mathlib.Algebra.Order.Ring.Nat
+module
+
+public import Mathlib.Data.List.Sort
+public import Mathlib.Algebra.Order.Ring.Nat
 /-!
 # List lemmas
 
 -/
+
+@[expose] public section
 namespace PhysLean.List
 
 open Fin
diff --git a/PhysLean/Mathematics/List/InsertionSort.lean b/PhysLean/Mathematics/List/InsertionSort.lean
index 97310421f..ce505a5ca 100644
--- a/PhysLean/Mathematics/List/InsertionSort.lean
+++ b/PhysLean/Mathematics/List/InsertionSort.lean
@@ -3,11 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.List
+module
+public import PhysLean.Mathematics.List
+import all PhysLean.Mathematics.List
+import all Mathlib.Data.List.Sort
 /-!
 # List lemmas
 
 -/
+
+@[expose] public section
+
 namespace PhysLean.List
 
 open Fin
diff --git a/PhysLean/Mathematics/PiTensorProduct.lean b/PhysLean/Mathematics/PiTensorProduct.lean
index 9a0c2b3f7..b5d23bd96 100644
--- a/PhysLean/Mathematics/PiTensorProduct.lean
+++ b/PhysLean/Mathematics/PiTensorProduct.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.LinearAlgebra.PiTensorProduct
+module
+
+public import Mathlib.LinearAlgebra.PiTensorProduct
 /-!
 # Pi Tensor Products
 
@@ -14,6 +16,8 @@ At some point these should either be up-streamed to Mathlib or replaced with def
 in Mathlib.
 
 -/
+
+@[expose] public section
 namespace PhysLean.PiTensorProduct
 
 noncomputable section tmulEquiv
diff --git a/PhysLean/Mathematics/RatComplexNum.lean b/PhysLean/Mathematics/RatComplexNum.lean
index a60362dfc..ab5dbf63b 100644
--- a/PhysLean/Mathematics/RatComplexNum.lean
+++ b/PhysLean/Mathematics/RatComplexNum.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Complex.Basic
+module
+
+public import Mathlib.Analysis.Complex.Basic
 /-!
 # Rational complex numbers
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 
 /-- Rational complex numbers. This type is mainly used when decidability is needed. -/
diff --git a/PhysLean/Mathematics/SO3/Basic.lean b/PhysLean/Mathematics/SO3/Basic.lean
index f2e3f9406..6527a88cf 100644
--- a/PhysLean/Mathematics/SO3/Basic.lean
+++ b/PhysLean/Mathematics/SO3/Basic.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.LinearAlgebra.Eigenspace.Basic
-import Mathlib.Analysis.InnerProductSpace.PiL2
+module
+
+public import Mathlib.LinearAlgebra.Eigenspace.Basic
+public import Mathlib.Analysis.InnerProductSpace.PiL2
 /-!
 # The group SO(3)
 
 -/
 
+@[expose] public section
+
 namespace GroupTheory
 open Matrix
 
diff --git a/PhysLean/Mathematics/SchurTriangulation.lean b/PhysLean/Mathematics/SchurTriangulation.lean
index 81eb6c360..9bc50b402 100644
--- a/PhysLean/Mathematics/SchurTriangulation.lean
+++ b/PhysLean/Mathematics/SchurTriangulation.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Gordon Hsu. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gordon Hsu
 -/
-import Mathlib.LinearAlgebra.Eigenspace.Triangularizable
-import Mathlib.Analysis.InnerProductSpace.Adjoint
+module
+
+public import Mathlib.LinearAlgebra.Eigenspace.Triangularizable
+public import Mathlib.Analysis.InnerProductSpace.Adjoint
 /-! # Schur triangulation
 
 Schur triangulation is more commonly known as Schur decomposition or Schur triangularization, but
@@ -22,6 +24,8 @@ be decomposed as `A = U * T * star U` where `U` is unitary and `T` is upper tria
 
 -/
 
+@[expose] public section
+
 open scoped InnerProductSpace
 open Module
 
@@ -235,7 +239,7 @@ variable [RCLike 𝕜] [IsAlgClosed 𝕜] [Fintype n] [DecidableEq n] [LinearOrd
 
 /-- This is `LinearMap.SchurTriangulationAux` adapted for matrices in the
 Euclidean space. -/
-private noncomputable def schurTriangulationAux :
+noncomputable def schurTriangulationAux :
     OrthonormalBasis n 𝕜 (EuclideanSpace 𝕜 n) × UpperTriangular n 𝕜 :=
   let f := toEuclideanLin A
   let ⟨d, hd, b, hut⟩ := LinearMap.SchurTriangulationAux.of f
diff --git a/PhysLean/Mathematics/SpecialFunctions/PhysHermite.lean b/PhysLean/Mathematics/SpecialFunctions/PhysHermite.lean
index 60f13af7e..ca17d38ea 100644
--- a/PhysLean/Mathematics/SpecialFunctions/PhysHermite.lean
+++ b/PhysLean/Mathematics/SpecialFunctions/PhysHermite.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Calculus.Deriv.Polynomial
-import Mathlib.Analysis.SpecialFunctions.Gaussian.GaussianIntegral
-import Mathlib.Analysis.SpecialFunctions.Trigonometric.Series
-import Mathlib.Tactic.Cases
+module
+
+public import Mathlib.Analysis.Calculus.Deriv.Polynomial
+public import Mathlib.Analysis.SpecialFunctions.Gaussian.GaussianIntegral
+public import Mathlib.Analysis.SpecialFunctions.Trigonometric.Series
+public import Mathlib.Tactic.Cases
 /-!
 
 # Physicists Hermite Polynomial
@@ -15,6 +17,8 @@ This file may eventually be upstreamed to Mathlib.
 
 -/
 
+@[expose] public section
+
 open Polynomial
 namespace PhysLean
 
diff --git a/PhysLean/Mathematics/Trigonometry/Tanh.lean b/PhysLean/Mathematics/Trigonometry/Tanh.lean
index 7a1e87a42..ca52f89d0 100644
--- a/PhysLean/Mathematics/Trigonometry/Tanh.lean
+++ b/PhysLean/Mathematics/Trigonometry/Tanh.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Afiq Hatta. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Afiq Hatta
 -/
-import Mathlib.Topology.Algebra.Polynomial
-import Mathlib.Analysis.SpecialFunctions.Trigonometric.DerivHyp
-import Mathlib.Analysis.Distribution.SchwartzSpace.Deriv
+module
+
+public import Mathlib.Topology.Algebra.Polynomial
+public import Mathlib.Analysis.SpecialFunctions.Trigonometric.DerivHyp
+public import Mathlib.Analysis.Distribution.SchwartzSpace.Deriv
 /-!
 # Properties of Tanh
 We want to prove that the reflectionless potential is a Schwartz map.
@@ -18,6 +20,8 @@ the nth derivative of a function multiplied by tanh decays faster than any polyn
 - Fill in the proofs for the properties of tanh
 -/
 
+@[expose] public section
+
 open Real
 open NNReal
 open Field
diff --git a/PhysLean/Mathematics/VariationalCalculus/Basic.lean b/PhysLean/Mathematics/VariationalCalculus/Basic.lean
index 497c38b2d..cdba4955a 100644
--- a/PhysLean/Mathematics/VariationalCalculus/Basic.lean
+++ b/PhysLean/Mathematics/VariationalCalculus/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.VariationalCalculus.IsTestFunction
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.IsTestFunction
 /-!
 
 # Fundamental lemma of the calculus of variations
@@ -16,6 +18,8 @@ which allows use to go from reasoning about integrals to reasoning about functio
 
 -/
 
+@[expose] public section
+
 open MeasureTheory InnerProductSpace InnerProductSpace'
 
 variable
diff --git a/PhysLean/Mathematics/VariationalCalculus/HasVarAdjDeriv.lean b/PhysLean/Mathematics/VariationalCalculus/HasVarAdjDeriv.lean
index 0b9c25e6d..c62ad81f1 100644
--- a/PhysLean/Mathematics/VariationalCalculus/HasVarAdjDeriv.lean
+++ b/PhysLean/Mathematics/VariationalCalculus/HasVarAdjDeriv.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.VariationalCalculus.HasVarAdjoint
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.HasVarAdjoint
 /-!
 # Variational adjoint derivative
 
@@ -20,6 +22,8 @@ theorem saying
 This theorem is the main tool to mechanistically compute variational gradient.
 -/
 
+@[expose] public section
+
 open MeasureTheory ContDiff InnerProductSpace
 
 variable
diff --git a/PhysLean/Mathematics/VariationalCalculus/HasVarAdjoint.lean b/PhysLean/Mathematics/VariationalCalculus/HasVarAdjoint.lean
index f596c544f..19f86fa1b 100644
--- a/PhysLean/Mathematics/VariationalCalculus/HasVarAdjoint.lean
+++ b/PhysLean/Mathematics/VariationalCalculus/HasVarAdjoint.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.VariationalCalculus.IsLocalizedfunctionTransform
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.IsLocalizedfunctionTransform
 /-!
 # Variational adjoint
 
@@ -23,6 +25,8 @@ The key results are:
     `HasVarAdjoint.mul_right`, `HasVarAdjoint.smul_left`, `HasVarAdjoint.smul_right`
 -/
 
+@[expose] public section
+
 open Module InnerProductSpace MeasureTheory ContDiff
 
 variable
diff --git a/PhysLean/Mathematics/VariationalCalculus/HasVarGradient.lean b/PhysLean/Mathematics/VariationalCalculus/HasVarGradient.lean
index fea9015dd..b9dfa00bc 100644
--- a/PhysLean/Mathematics/VariationalCalculus/HasVarGradient.lean
+++ b/PhysLean/Mathematics/VariationalCalculus/HasVarGradient.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.VariationalCalculus.HasVarAdjDeriv
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.HasVarAdjDeriv
 /-!
 
 # Variational gradient
@@ -12,6 +14,8 @@ Definition of variational gradient that allows for formal treatment of variation
 as used in physics textbooks.
 -/
 
+@[expose] public section
+
 open MeasureTheory ContDiff InnerProductSpace
 
 variable
diff --git a/PhysLean/Mathematics/VariationalCalculus/IsLocalizedfunctionTransform.lean b/PhysLean/Mathematics/VariationalCalculus/IsLocalizedfunctionTransform.lean
index cb2e48f5f..479fa55c9 100644
--- a/PhysLean/Mathematics/VariationalCalculus/IsLocalizedfunctionTransform.lean
+++ b/PhysLean/Mathematics/VariationalCalculus/IsLocalizedfunctionTransform.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.VariationalCalculus.Basic
+module
+
+public import PhysLean.Mathematics.VariationalCalculus.Basic
 /-!
 
 # Localized function transforms
@@ -14,6 +16,8 @@ set `K` in `Y` there exists a compact set `L` of `X`, such that if `φ` and `φ'
 then `F φ` and `F φ'` are equal on `K`.
 
 -/
+
+@[expose] public section
 open InnerProductSpace MeasureTheory ContDiff
 
 section
diff --git a/PhysLean/Mathematics/VariationalCalculus/IsTestFunction.lean b/PhysLean/Mathematics/VariationalCalculus/IsTestFunction.lean
index 8b21454c0..a8084e128 100644
--- a/PhysLean/Mathematics/VariationalCalculus/IsTestFunction.lean
+++ b/PhysLean/Mathematics/VariationalCalculus/IsTestFunction.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Tomas Skrivan. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Tomas Skrivan, Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.Calculus.Divergence
+module
+
+public import PhysLean.Mathematics.Calculus.Divergence
 /-!
 
 # Test functions
 
 Definition of test function, smooth and compactly supported function, and theorems about them.
 -/
+
+@[expose] public section
 open Module
 section IsTestFunction
 variable
diff --git a/PhysLean/Meta/AllFilePaths.lean b/PhysLean/Meta/AllFilePaths.lean
index 634f41974..673e1f2ff 100644
--- a/PhysLean/Meta/AllFilePaths.lean
+++ b/PhysLean/Meta/AllFilePaths.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.TODO.Basic
+module
+
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 ## Getting an array of all file paths in PhysLean.
 
 -/
 
+@[expose] public section
+
 open System
 
 /-- The recursive function underlying `allFilePaths`. -/
diff --git a/PhysLean/Meta/Basic.lean b/PhysLean/Meta/Basic.lean
index 00964ea57..cd3e38640 100644
--- a/PhysLean/Meta/Basic.lean
+++ b/PhysLean/Meta/Basic.lean
@@ -3,14 +3,19 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Lean.Expr.Basic
-import ImportGraph.Imports.RequiredModules
+module
+
+public import Mathlib.Lean.Expr.Basic
+public import ImportGraph.Imports.RequiredModules
+public import Lean.Elab.DocString
 /-!
 
 ## Basic Lean meta programming commands
 
 -/
 
+@[expose] public section
+
 /-- The size of a flattened array of arrays. -/
 def Array.flatSize {α} : Array (Array α) → Nat :=
   foldl (init := 0) fun sizeAcc as => sizeAcc + as.size
@@ -100,15 +105,18 @@ def lineNumber (c : Name) : m Nat := do
 /-- Given a name, returns the file name corresponding to that declaration. -/
 def fileName (c : Name) : m Name := do
   let env ← getEnv
-  match env.getModuleFor? c with
-  | some decl => return decl
+  match env.getModuleIdxFor? c with
+  | some idx =>
+      pure <| env.header.moduleNames[idx]!
   | none => panic! s!"{c} is a declaration without position"
 
 /-- Returns the location of a name. -/
 def location (c : Name) : m String := do
   let env ← getEnv
-  match env.getModuleFor? c with
-  | some decl => return s!"{decl.toRelativeFilePath}:{← c.lineNumber} {c}"
+  match env.getModuleIdxFor? c with
+  | some idx =>
+      let modName := env.header.moduleNames[idx]!
+      pure s!"{modName.toRelativeFilePath}:{← c.lineNumber} {c}"
   | none => panic! s!"{c} is a declaration without position"
 
 /-- Determines if a name has a location. -/
@@ -119,23 +127,25 @@ def hasPos (c : Name) : m Bool := do
 /-- Determines if a name has a doc string. -/
 def hasDocString (c : Name) : CoreM Bool := do
   let env ← getEnv
-  let doc? ← findDocString? env c
-  return doc?.isSome
+  return (← findInternalDocString? env c).isSome
 
 /-- The doc string from a name. -/
 def getDocString (c : Name) : CoreM String := do
   let env ← getEnv
-  let doc? ← findDocString? env c
-  return doc?.getD ""
+  match ← findInternalDocString? env c with
+  | some (.inl s) => return s
+  | some (.inr _) => return ""   -- Verso docstring, ignore for now
+  | none => return ""
 
 /-- Given a name, returns the source code defining that name, including doc strings. -/
 def getDeclString (name : Name) : CoreM String := do
   let env ← getEnv
   match ← findDeclarationRanges? name with
   | some { range := { pos, endPos, .. }, .. } =>
-    match env.getModuleFor? name with
-    | some fileName =>
-      let fileContent ← IO.FS.readFile fileName.toRelativeFilePath
+    match env.getModuleIdxFor? name with
+    | some idx =>
+      let modName := env.header.moduleNames[idx]!
+      let fileContent ← IO.FS.readFile modName.toRelativeFilePath
       let fileMap := fileContent.toFileMap
       return (String.Pos.Raw.extract fileMap.source)
         (fileMap.ofPosition pos) (fileMap.ofPosition endPos)
diff --git a/PhysLean/Meta/Informal/Basic.lean b/PhysLean/Meta/Informal/Basic.lean
index e66fef65c..766837f53 100644
--- a/PhysLean/Meta/Informal/Basic.lean
+++ b/PhysLean/Meta/Informal/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Lean.Parser.Term
+module
+
+public meta import Lean.Parser.Term
 /-!
 
 ## Informal definitions and lemmas
@@ -15,6 +17,8 @@ Everything else about informal definitions and lemmas are in the `Informal.Post`
 
 -/
 
+@[expose] public section
+
 /-- The structure representing an informal definition. -/
 structure InformalDefinition where
   /-- The names of top-level commands we expect this definition to depend on. -/
diff --git a/PhysLean/Meta/Informal/Post.lean b/PhysLean/Meta/Informal/Post.lean
index 74aef0269..2aa40c0ef 100644
--- a/PhysLean/Meta/Informal/Post.lean
+++ b/PhysLean/Meta/Informal/Post.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Basic
-import PhysLean.Meta.Informal.Basic
-import PhysLean.Meta.TODO.Basic
+module
+
+public import PhysLean.Meta.Basic
+public import PhysLean.Meta.Informal.Basic
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 ## Informal definitions and lemmas
 
 -/
+
+@[expose] public section
 open Lean
 
 namespace Informal
diff --git a/PhysLean/Meta/Informal/SemiFormal.lean b/PhysLean/Meta/Informal/SemiFormal.lean
index 4ec0de1eb..b219c0f8e 100644
--- a/PhysLean/Meta/Informal/SemiFormal.lean
+++ b/PhysLean/Meta/Informal/SemiFormal.lean
@@ -3,7 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Lean.Elab.Command
+module
+
+public meta import Lean.Elab.Command
+
 /-!
 
 # Semiformal results
@@ -19,6 +22,8 @@ David Thrane Christiansen.
 
 -/
 
+@[expose] public section
+
 open Lean Parser Elab Command
 
 /-- The information from a `TODO ...` command. -/
@@ -35,7 +40,7 @@ structure WantedInfo where
   tag : String
 
 /-- The environment extension for semiformal results. -/
-initialize wantedExtension : SimplePersistentEnvExtension WantedInfo (Array WantedInfo) ←
+meta initialize wantedExtension : SimplePersistentEnvExtension WantedInfo (Array WantedInfo) ←
   registerSimplePersistentEnvExtension {
     name := `wantedExtension
     addEntryFn := fun arr todoInfor => arr.push todoInfor
@@ -52,12 +57,12 @@ With minor modification they act in a similar way to `proof_wanted`, however
 they appear in PhysLean's TODO list and must be tagged accordingly.
 They must also always have a doc-string. -/
 @[command_parser]
-def «semiformal_result» := leading_parser
+meta def «semiformal_result» := leading_parser
     docComment >> "semiformal_result" >> strLit >> declId >> ppIndent declSig
 
 /-- The elaborator for semiformal results. -/
 @[command_elab «semiformal_result»]
-def elabLemmaWanted : CommandElab := fun stx =>
+meta def elabLemmaWanted : CommandElab := fun stx =>
   match stx with
   | `($doc:docComment semiformal_result $s $name $args* : $res) =>
     let tag : String := s.getString
diff --git a/PhysLean/Meta/Linters/Sorry.lean b/PhysLean/Meta/Linters/Sorry.lean
index eb360e432..6abd415c8 100644
--- a/PhysLean/Meta/Linters/Sorry.lean
+++ b/PhysLean/Meta/Linters/Sorry.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Basic
+module
+
+public meta import PhysLean.Meta.Basic
 /-!
 
 # The linter for `sorry` declarations and the sorryful attribute
@@ -24,6 +26,8 @@ to be downloaded.
 
 -/
 
+@[expose] public meta section
+
 /-!
 
 ## The sorryful environment extension
diff --git a/PhysLean/Meta/Notes/Basic.lean b/PhysLean/Meta/Notes/Basic.lean
index c510bed54..b447e1e16 100644
--- a/PhysLean/Meta/Notes/Basic.lean
+++ b/PhysLean/Meta/Notes/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Lean.Elab.Command
+module
+
+public meta import Lean.Elab.Command
 /-!
 
 ## Underlying structure for notes
@@ -20,6 +22,8 @@ Other results relating to notes are in other files.
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 open Lean
 
@@ -33,7 +37,7 @@ structure NoteInfo where
   line : Nat
 
 /-- Environment extension to store `note ...`. -/
-initialize noteExtension : SimplePersistentEnvExtension NoteInfo (Array NoteInfo) ←
+meta initialize noteExtension : SimplePersistentEnvExtension NoteInfo (Array NoteInfo) ←
   registerSimplePersistentEnvExtension {
     name := `noteExtension
     addEntryFn := fun arr nodeInfor => arr.push nodeInfor
@@ -45,7 +49,7 @@ syntax (name := note_comment) "note " str : command
 
 /-- Elaborator for the `note ...` command -/
 @[command_elab note_comment]
-def elabNote : Lean.Elab.Command.CommandElab := fun stx =>
+meta def elabNote : Lean.Elab.Command.CommandElab := fun stx =>
   match stx with
   | `(note $s) => do
     let str : String := s.getString
@@ -70,7 +74,7 @@ def elabNote : Lean.Elab.Command.CommandElab := fun stx =>
 -/
 
 /-- Environment extension to store `note_attr`. -/
-initialize noteDeclExtension : SimplePersistentEnvExtension Name (Array Name) ←
+meta initialize noteDeclExtension : SimplePersistentEnvExtension Name (Array Name) ←
   registerSimplePersistentEnvExtension {
     name := `noteDeclExtension
     addEntryFn := fun arr nodeInfor => arr.push nodeInfor
@@ -78,7 +82,7 @@ initialize noteDeclExtension : SimplePersistentEnvExtension Name (Array Name) 
   }
 
 /-- The `note_attr` attribute is used to display formally verified commands within a note. -/
-initialize noteAttribute : Unit ←
+meta initialize noteAttribute : Unit ←
   registerBuiltinAttribute {
     name := `note_attr
     descr := "Note attribute"
@@ -88,7 +92,7 @@ initialize noteAttribute : Unit ←
   }
 
 /-- Environment extension to store `note_attr_informal`. -/
-initialize noteInformalDeclExtension : SimplePersistentEnvExtension Name (Array Name) ←
+meta initialize noteInformalDeclExtension : SimplePersistentEnvExtension Name (Array Name) ←
   registerSimplePersistentEnvExtension {
     name := `noteInformalDeclExtension
     addEntryFn := fun arr nodeInfor => arr.push nodeInfor
@@ -96,7 +100,7 @@ initialize noteInformalDeclExtension : SimplePersistentEnvExtension Name (Array
   }
 
 /-- The `note_attr_informal` attribute is used to display informal commands within a note. -/
-initialize noteInformalAttribute : Unit ←
+meta initialize noteInformalAttribute : Unit ←
   registerBuiltinAttribute {
     name := `note_attr_informal
     descr := "Informal note attribute"
diff --git a/PhysLean/Meta/Notes/HTMLNote.lean b/PhysLean/Meta/Notes/HTMLNote.lean
index bab1782fb..a1b4d5ee1 100644
--- a/PhysLean/Meta/Notes/HTMLNote.lean
+++ b/PhysLean/Meta/Notes/HTMLNote.lean
@@ -4,15 +4,19 @@ Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
 -- import DocGen4.Output.DocString
-import PhysLean.Meta.Basic
-import PhysLean.Meta.Notes.Basic
-import PhysLean.Meta.Informal.Basic
+module
+
+public import PhysLean.Meta.Basic
+public import PhysLean.Meta.Notes.Basic
+public import PhysLean.Meta.Informal.Basic
 /-!
 
 ## Turns a declaration into a html note structure.
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 open Lean
 
diff --git a/PhysLean/Meta/Notes/NoteFile.lean b/PhysLean/Meta/Notes/NoteFile.lean
index 29379f316..4a5523c5a 100644
--- a/PhysLean/Meta/Notes/NoteFile.lean
+++ b/PhysLean/Meta/Notes/NoteFile.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Lean.Environment
+module
+
+public import Lean.Environment
 /-!
 
 # Note file
@@ -12,6 +14,8 @@ A note file is a structure which contains the information to go into a note.
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 open Lean
 
diff --git a/PhysLean/Meta/Notes/ToHTML.lean b/PhysLean/Meta/Notes/ToHTML.lean
index 6fc64db62..9e6ce35e2 100644
--- a/PhysLean/Meta/Notes/ToHTML.lean
+++ b/PhysLean/Meta/Notes/ToHTML.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Notes.HTMLNote
-import PhysLean.Meta.Notes.NoteFile
+module
+
+public meta import PhysLean.Meta.Notes.HTMLNote
+public import PhysLean.Meta.Notes.NoteFile
 /-!
 
 ## Turns a declaration into a html note structure.
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 open Lean System Meta
 
@@ -18,14 +22,14 @@ namespace NoteFile
 variable (N : NoteFile)
 
 /-- Sorts `NoteInfo`'s by file name then by line number. -/
-def sortLE (ni1 ni2 : HTMLNote) : Bool :=
+meta def sortLE (ni1 ni2 : HTMLNote) : Bool :=
   if N.files.idxOf ni1.fileName ≠ N.files.idxOf ni2.fileName
   then N.files.idxOf ni1.fileName ≤ N.files.idxOf ni2.fileName
   else
   ni1.line ≤ ni2.line
 
 /-- Returns a sorted list of NodeInfos for a file system. -/
-unsafe def getNodeInfo : CoreM (List HTMLNote) := do
+meta unsafe def getNodeInfo : CoreM (List HTMLNote) := do
   let env ← getEnv
   let allNotes := (noteExtension.getState env)
   let allDecl := (noteDeclExtension.getState env)
@@ -37,7 +41,7 @@ unsafe def getNodeInfo : CoreM (List HTMLNote) := do
   pure noteInfoSort
 
 /-- The HTML code needed to have syntax highlighting. -/
-def codeBlockHTML : String := "
+meta def codeBlockHTML : String := "
 <meta charset=\"UTF-8\">
     <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">
     <!-- Include Highlight.js CSS -->
@@ -65,7 +69,7 @@ def codeBlockHTML : String := "
 "
 
 /-- The html styles for informal definitions. -/
-def informalDefStyle : String :=
+meta def informalDefStyle : String :=
 "
 <style>
         .informal-def {
@@ -100,7 +104,7 @@ def informalDefStyle : String :=
 "
 
 /-- The html styles for code button. -/
-def codeButton : String := "
+meta def codeButton : String := "
 <style>
   .code-block-container {
     position: relative;
@@ -127,7 +131,7 @@ def codeButton : String := "
 "
 
 /-- HTML allowing the use of mathjax. -/
-def mathJaxScript : String := "
+meta def mathJaxScript : String := "
 <!-- MathJax code -->
 <script type=\"text/javascript\">
         window.MathJax = {
@@ -143,7 +147,7 @@ def mathJaxScript : String := "
 "
 
 /-- The header to the html code. -/
-def headerHTML : String :=
+meta def headerHTML : String :=
 "---
 layout: default
 ---
@@ -154,13 +158,13 @@ layout: default
 <body>"
 
 /-- The html code corresponding to the title, abstract and authors. -/
-def titleHTML : String :=
+meta def titleHTML : String :=
 "<center><h1 style=\"font-size: 50px;\">" ++ N.title ++ "</h1></center>
 <center><b>Authors:</b> " ++ String.intercalate ", " N.authors ++ "</center>
 <center><b>Abstract:</b> " ++ N.abstract ++ "</center>"
 
 /-- The html code corresponding to a note about Lean and its use. -/
-def leanNote : String := "
+meta def leanNote : String := "
 <br>
 <div style=\"border: 1px solid black; padding: 10px;\">
   <p>Note: These are not ordinary notes. They are created using an interactive theorem
@@ -176,12 +180,12 @@ def leanNote : String := "
 </div>
 "
 /-- The footer of the html file. -/
-def footerHTML : String :=
+meta def footerHTML : String :=
 "</body>
 </html>"
 
 /-- The html file associated to a NoteFile string. -/
-unsafe def toHTMLString : MetaM String := do
+meta unsafe def toHTMLString : MetaM String := do
   let string := String.intercalate "\n" ((← N.getNodeInfo).map (fun x => x.content))
   pure (headerHTML ++ N.titleHTML ++ leanNote ++ string ++ footerHTML)
 
diff --git a/PhysLean/Meta/Remark/Basic.lean b/PhysLean/Meta/Remark/Basic.lean
index 85d049fde..539b46f5f 100644
--- a/PhysLean/Meta/Remark/Basic.lean
+++ b/PhysLean/Meta/Remark/Basic.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Lean.Elab.Command
+module
+
+public meta import Lean.Elab.Command
 /-!
 
 ## Underlying structure for remarks
 -/
 
+@[expose] public section
+
 namespace PhysLean
 open Lean
 
@@ -26,7 +30,7 @@ structure RemarkInfo where
   nameSpace : Name
 
 /-- Environment extension to store `remark ...`. -/
-initialize remarkExtension : SimplePersistentEnvExtension RemarkInfo (Array RemarkInfo) ←
+meta initialize remarkExtension : SimplePersistentEnvExtension RemarkInfo (Array RemarkInfo) ←
   registerSimplePersistentEnvExtension {
     name := `remarkExtension
     addEntryFn := fun arr remarkInfoT => arr.push remarkInfoT
@@ -38,7 +42,7 @@ syntax (name := remark_syntax) "remark " ident ":=" str : command
 
 /-- Elaborator for the `note ...` command -/
 @[command_elab remark_syntax]
-def elabRemark : Elab.Command.CommandElab := fun stx =>
+meta def elabRemark : Elab.Command.CommandElab := fun stx =>
   match stx with
   | `(remark $n := $s) => do
     let str : String := s.getString
diff --git a/PhysLean/Meta/Remark/Properties.lean b/PhysLean/Meta/Remark/Properties.lean
index a66ce730d..d627d7f67 100644
--- a/PhysLean/Meta/Remark/Properties.lean
+++ b/PhysLean/Meta/Remark/Properties.lean
@@ -3,36 +3,40 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Remark.Basic
+module
+
+public import PhysLean.Meta.Remark.Basic
 /-!
 
 ## Underlying structure for remarks
 -/
 
+@[expose] public section
+
 namespace PhysLean
 open Lean
 variable {m} [Monad m] [MonadEnv m] [MonadError m]
 
 /-- All remarks in the environment. -/
-def allRemarkInfo : m (Array RemarkInfo) := do
+meta def allRemarkInfo : m (Array RemarkInfo) := do
   let env ← getEnv
   return remarkExtension.getState env
 
 /-- The full name of a remark (name and namespace). -/
-def RemarkInfo.toFullName (r : RemarkInfo) : Name :=
+meta def RemarkInfo.toFullName (r : RemarkInfo) : Name :=
   if r.nameSpace != .anonymous then
     .str r.nameSpace r.name.toString
   else
     r.name
 
 /-- A Bool which is true if a name corresponds to a remark. -/
-def RemarkInfo.IsRemark (n : Name) : m Bool := do
+meta def RemarkInfo.IsRemark (n : Name) : m Bool := do
   let allRemarks ← allRemarkInfo
   let r := allRemarks.find? fun r => r.toFullName == n
   return r.isSome
 
 /-- Gets the remarkInfo from a name corresponding to a remark.. -/
-def RemarkInfo.getRemarkInfo (n : Name) : m RemarkInfo := do
+meta def RemarkInfo.getRemarkInfo (n : Name) : m RemarkInfo := do
   let allRemarks ← allRemarkInfo
   match allRemarks.find? fun r => r.toFullName == n with
   | some r => return r
diff --git a/PhysLean/Meta/Sorry.lean b/PhysLean/Meta/Sorry.lean
index 8b1267a09..c41df7fe7 100644
--- a/PhysLean/Meta/Sorry.lean
+++ b/PhysLean/Meta/Sorry.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Linters.Sorry
+module
+
+public import PhysLean.Meta.Linters.Sorry
 /-!
 
 # Meta results regarding `sorry` and `pseudo` attributions
@@ -38,6 +40,8 @@ Some of the code here is adapted from from the file: `Lean.Util.CollectAxioms`
 copyright (c) 2020 Microsoft Corporation. Authored by Leonardo de Moura.
 
 -/
+
+@[expose] public meta section
 open Lean
 namespace PhysLean
 
diff --git a/PhysLean/Meta/TODO/Basic.lean b/PhysLean/Meta/TODO/Basic.lean
index c74500dc6..f8217c086 100644
--- a/PhysLean/Meta/TODO/Basic.lean
+++ b/PhysLean/Meta/TODO/Basic.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Lean.Elab.Command
+module
+
+public meta import Lean.Elab.Command
 /-!
 
 # Basic underlying structure for TODOs.
 
 -/
 
+@[expose] public section
+
 namespace PhysLean
 open Lean
 
@@ -25,7 +29,7 @@ structure todoInfo where
   tag : String
 
 /-- Environment extension to store `todo ...`. -/
-initialize todoExtension : SimplePersistentEnvExtension todoInfo (Array todoInfo) ←
+meta initialize todoExtension : SimplePersistentEnvExtension todoInfo (Array todoInfo) ←
   registerSimplePersistentEnvExtension {
     name := `todoExtension
     addEntryFn := fun arr todoInfor => arr.push todoInfor
@@ -37,7 +41,7 @@ syntax (name := todo_comment) "TODO " str str : command
 
 /-- Elaborator for the `TODO ...` command -/
 @[command_elab todo_comment]
-def elabTODO : Elab.Command.CommandElab := fun stx =>
+meta def elabTODO : Elab.Command.CommandElab := fun stx =>
   match stx with
   | `(TODO $t $s) => do
     let str : String := s.getString
diff --git a/PhysLean/Meta/TransverseTactics.lean b/PhysLean/Meta/TransverseTactics.lean
index 87ca291cc..bab5c4697 100644
--- a/PhysLean/Meta/TransverseTactics.lean
+++ b/PhysLean/Meta/TransverseTactics.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license.
 Authors: Joseph Tooby-Smith
 -/
-import Lean
-import PhysLean.Meta.TODO.Basic
+module
+
+public import Lean
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 This file enables us to transverse tactics and test for conditions.
@@ -21,6 +23,8 @@ See also:
 - https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Memory.20increase.20in.20loops.2E
 -/
 
+@[expose] public section
+
 open Lean Elab System
 
 namespace transverseTactics
diff --git a/PhysLean/Optics/Basic.lean b/PhysLean/Optics/Basic.lean
index 8eadccb03..03ae094a4 100644
--- a/PhysLean/Optics/Basic.lean
+++ b/PhysLean/Optics/Basic.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
+module
+
 /-!
 
 # Optics
@@ -18,4 +20,4 @@ Some directories which are NOT currently place holders are:
 - Quantum Mechanics
 - Relativity
 
--/
+-/@[expose] public section
diff --git a/PhysLean/Optics/Polarization/Basic.lean b/PhysLean/Optics/Polarization/Basic.lean
index f795c278e..d05ef5350 100644
--- a/PhysLean/Optics/Polarization/Basic.lean
+++ b/PhysLean/Optics/Polarization/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Zhi Kai Pong. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong
 -/
-import PhysLean.Electromagnetism.Vacuum.HarmonicWave
+module
+
+public import PhysLean.Electromagnetism.Vacuum.HarmonicWave
 /-!
 
 # Polarization
@@ -20,3 +22,5 @@ The material that was in this file has been moved to
 This file is kept because there is still some material to be added here in the future.
 
 -/
+
+@[expose] public section
diff --git a/PhysLean/Particles/BeyondTheStandardModel/GeorgiGlashow/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/GeorgiGlashow/Basic.lean
index a034c4610..b64b5e7d2 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/GeorgiGlashow/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/GeorgiGlashow/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.Basic
+module
+
+public import PhysLean.Particles.StandardModel.Basic
 /-!
 
 # The Georgi-Glashow Model
@@ -15,6 +17,8 @@ This file currently contains informal-results about the Georgi-Glashow group.
 
 -/
 
+@[expose] public section
+
 namespace GeorgiGlashow
 
 /-- The gauge group of the Georgi-Glashow model, i.e., `SU(5)`. -/
diff --git a/PhysLean/Particles/BeyondTheStandardModel/PatiSalam/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/PatiSalam/Basic.lean
index 49650092f..03ba4abfe 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/PatiSalam/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/PatiSalam/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.Basic
+module
+
+public import PhysLean.Particles.StandardModel.Basic
 /-!
 
 # The Pati-Salam Model
@@ -15,6 +17,8 @@ This file currently contains informal-results about the Pati-Salam group.
 
 -/
 
+@[expose] public section
+
 namespace PatiSalam
 /-!
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Basic.lean
index 8dda67ba2..465141b48 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.AnomalyCancellation.Basic
+module
+
+public import PhysLean.QFT.AnomalyCancellation.Basic
 /-!
 
 # Anomaly cancellation conditions for the Standard Model with right-handed neutrinos
@@ -13,6 +15,8 @@ right-handed neutrinos (SMν).
 
 -/
 
+@[expose] public section
+
 open Nat
 open BigOperators
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/FamilyMaps.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/FamilyMaps.lean
index 5a6345f30..7fe6d63ea 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/FamilyMaps.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/FamilyMaps.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Basic
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Basic
 /-!
 # Family maps for the Standard Model for RHN ACCs
 
 We define the a series of maps between the charges for different numbers of families.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 open SMνCharges
 open SMνACCs
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/NoGrav/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/NoGrav/Basic.lean
index 4c20c341b..dbdf944ad 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/NoGrav/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/NoGrav/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
-import PhysLean.QFT.AnomalyCancellation.GroupActions
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
+public import PhysLean.QFT.AnomalyCancellation.GroupActions
 /-!
 # ACC system for SM with RHN and no gravitational anomaly.
 
@@ -12,6 +14,8 @@ We define the ACC system for the Standard Model with right-handed neutrinos and
 anomaly.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 open SMνCharges
 open SMνACCs
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/Basic.lean
index aa23ee8dc..30a23ece7 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/Basic.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
-import PhysLean.QFT.AnomalyCancellation.GroupActions
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
+public import PhysLean.QFT.AnomalyCancellation.GroupActions
 /-!
 # ACC system for SM with RHN (without hypercharge).
 
 We define the ACC system for the Standard Model (without hypercharge) with right-handed neutrinos.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 open SMνCharges
 open SMνACCs
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/DimSevenPlane.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/DimSevenPlane.lean
index aa12ca2bd..7719d3f14 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/DimSevenPlane.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/DimSevenPlane.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.Basic
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.Basic
 /-!
 # Dimension 7 plane
 
@@ -14,6 +16,8 @@ The main result of this file is `seven_dim_plane_exists` which states that there
 7 dimensional plane of charges on which every point satisfies the ACCs.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace SM
 open SMνCharges
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/FamilyMaps.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/FamilyMaps.lean
index b8968d39c..457e1cbc5 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/FamilyMaps.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Ordinary/FamilyMaps.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.Basic
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.FamilyMaps
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Ordinary.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.FamilyMaps
 /-!
 # Family Maps for SM with RHN (no hypercharge)
 
@@ -12,6 +14,8 @@ We give some properties of the family maps for the SM with RHN, in particular, w
 define family universal maps in the case of `LinSols`, `QuadSols`, and `Sols`.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace SM
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Permutations.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Permutations.lean
index 6a85f1e90..328f1dff1 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Permutations.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/Permutations.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Basic
-import Mathlib.RepresentationTheory.Basic
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Basic
+public import Mathlib.RepresentationTheory.Basic
 /-!
 # Permutations of SM charges with RHN.
 
 We define the group of permutations for the SM charges with RHN.
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BMinusL.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BMinusL.lean
index 0b8b06b3b..34532631d 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BMinusL.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BMinusL.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.FamilyMaps
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.FamilyMaps
 /-!
 # B Minus L in SM with RHN.
 
@@ -11,6 +13,8 @@ Relevant definitions for the SM `B-L`.
 
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace PlusU1
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/Basic.lean
index b46818274..89b8462fb 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/Basic.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
-import PhysLean.QFT.AnomalyCancellation.GroupActions
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.Permutations
+public import PhysLean.QFT.AnomalyCancellation.GroupActions
 /-!
 # ACC system for SM with RHN
 
 We define the ACC system for the Standard Model with right-handed neutrinos.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 open SMνCharges
 open SMνACCs
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BoundPlaneDim.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BoundPlaneDim.lean
index 44be92510..4f40ea91c 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BoundPlaneDim.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/BoundPlaneDim.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.PlaneNonSols
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.PlaneNonSols
 /-!
 # Bound on plane dimension
 
@@ -12,6 +14,8 @@ The upper bound is 7, proven in the theorem `plane_exists_dim_le_7`.
 
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace PlusU1
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/FamilyMaps.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/FamilyMaps.lean
index daf9a2a76..7b94cbb7e 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/FamilyMaps.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/FamilyMaps.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.FamilyMaps
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.FamilyMaps
 /-!
 # Family Maps for SM with RHN
 
@@ -12,6 +14,8 @@ We give some properties of the family maps for the SM with RHN, in particular, w
 define family universal maps in the case of `LinSols`, `QuadSols`, and `Sols`.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace PlusU1
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/HyperCharge.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/HyperCharge.lean
index 36704eee5..d275103b3 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/HyperCharge.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/HyperCharge.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.FamilyMaps
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.FamilyMaps
 /-!
 # Hypercharge in SM with RHN.
 
@@ -11,6 +13,8 @@ Relevant definitions for the SM hypercharge.
 
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace PlusU1
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/PlaneNonSols.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/PlaneNonSols.lean
index 5e5f80a60..f12aa147d 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/PlaneNonSols.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/PlaneNonSols.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
-import Mathlib.Tactic.LinearCombination
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
+public import Mathlib.Tactic.LinearCombination
 /-!
 # Plane of non-solutions
 
@@ -15,6 +17,8 @@ The main result of this file is `eleven_dim_plane_of_no_sols_exists`, which stat
 an 11 dimensional plane of charges exists on which there are no solutions except the origin.
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace PlusU1
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSol.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSol.lean
index be28e671d..aecb4adfd 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSol.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSol.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.Basic
 /-!
 # Properties of Quad Sols for SM with RHN
 
@@ -16,6 +18,8 @@ and show that it is a surjection. The main reference for this is:
 
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace PlusU1
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSolToSol.lean b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSolToSol.lean
index 5d7c45b69..3179b481b 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSolToSol.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/RHN/AnomalyCancellation/PlusU1/QuadSolToSol.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.BMinusL
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.RHN.AnomalyCancellation.PlusU1.BMinusL
 /-!
 # Solutions from quad solutions
 
@@ -14,6 +16,8 @@ for this material is:
 
 -/
 
+@[expose] public section
+
 namespace SMRHN
 namespace PlusU1
 
diff --git a/PhysLean/Particles/BeyondTheStandardModel/Spin10/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/Spin10/Basic.lean
index 7ae496c51..ddc314bdd 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/Spin10/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/Spin10/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.PatiSalam.Basic
-import PhysLean.Particles.BeyondTheStandardModel.GeorgiGlashow.Basic
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.PatiSalam.Basic
+public import PhysLean.Particles.BeyondTheStandardModel.GeorgiGlashow.Basic
 /-!
 
 # The Spin(10) Model
@@ -14,6 +16,8 @@ is Spin(10).
 
 -/
 
+@[expose] public section
+
 namespace Spin10Model
 
 /-- The gauge group of the Spin(10) model, i.e., the group `Spin(10)`. -/
diff --git a/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Basic.lean b/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Basic.lean
index c4833f8ce..96476b97b 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Basic.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.HiggsBoson.Potential
-import Mathlib.Analysis.Matrix.Normed
-import Mathlib.Analysis.Matrix.Order
+module
+
+public import PhysLean.Particles.StandardModel.HiggsBoson.Potential
+public import Mathlib.Analysis.Matrix.Normed
+public import Mathlib.Analysis.Matrix.Order
 /-!
 
 # The Two Higgs Doublet Model
@@ -24,6 +26,8 @@ doublet.
 
 -/
 
+@[expose] public section
+
 open StandardModel
 
 /-!
diff --git a/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/GramMatrix.lean b/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/GramMatrix.lean
index 1640273a1..991c1c4c6 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/GramMatrix.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/GramMatrix.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.Basic
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.Basic
 /-!
 
 # The gram matrix for the two Higgs doublet model
@@ -14,6 +16,8 @@ We will show that the gram matrix of the two Higgs doublet model
 describes the gauge orbits of the configuration space.
 
 -/
+
+@[expose] public section
 namespace TwoHiggsDoublet
 
 open InnerProductSpace
diff --git a/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Potential.lean b/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Potential.lean
index 3896e9c27..11b2e203a 100644
--- a/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Potential.lean
+++ b/PhysLean/Particles/BeyondTheStandardModel/TwoHDM/Potential.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.GramMatrix
+module
+
+public import PhysLean.Particles.BeyondTheStandardModel.TwoHDM.GramMatrix
 /-!
 
 # The potential of the Two Higgs doublet model
@@ -49,6 +51,8 @@ Stability arguments of the potential follow, in part, those from
 Although we note that we explicitly prove that one of the steps in this paper is not valid.
 
 -/
+
+@[expose] public section
 namespace TwoHiggsDoublet
 open InnerProductSpace
 open StandardModel
diff --git a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Basic.lean b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Basic.lean
index c7357655e..90c831c43 100644
--- a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Basic.lean
+++ b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.LinearAlgebra.UnitaryGroup
-import Mathlib.Analysis.Complex.Trigonometric
-import Mathlib.Tactic.Polyrith
+module
+
+public import Mathlib.LinearAlgebra.UnitaryGroup
+public import Mathlib.Analysis.Complex.Trigonometric
+public import Mathlib.Tactic.Polyrith
 /-!
 # The CKM Matrix
 
@@ -19,6 +21,8 @@ The notation `[V]ud` etc can be used for the elements of a CKM matrix, and
 
 -/
 
+@[expose] public section
+
 open Matrix Complex
 
 noncomputable section
diff --git a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Invariants.lean b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Invariants.lean
index 2e9485379..51c034ad3 100644
--- a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Invariants.lean
+++ b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Invariants.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Basic
-import Mathlib.Analysis.Complex.Basic
+module
+
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Basic
+public import Mathlib.Analysis.Complex.Basic
 /-!
 # Invariants of the CKM Matrix
 
@@ -16,6 +18,8 @@ this equivalence.
 Of note, this file defines the complex jarlskog invariant.
 
 -/
+
+@[expose] public section
 open Matrix Complex
 open ComplexConjugate
 open CKMMatrix
diff --git a/PhysLean/Particles/FlavorPhysics/CKMMatrix/PhaseFreedom.lean b/PhysLean/Particles/FlavorPhysics/CKMMatrix/PhaseFreedom.lean
index 4dc0756b1..c666551fa 100644
--- a/PhysLean/Particles/FlavorPhysics/CKMMatrix/PhaseFreedom.lean
+++ b/PhysLean/Particles/FlavorPhysics/CKMMatrix/PhaseFreedom.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Relations
+module
+
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Relations
 /-!
 # Phase freedom of the CKM Matrix
 
@@ -16,6 +18,8 @@ and `ubOnePhaseCond` which we show can be satisfied by any CKM matrix up to equi
 the ub element as absolute value 1.
 
 -/
+
+@[expose] public section
 open Matrix Complex
 
 noncomputable section
diff --git a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Relations.lean b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Relations.lean
index c8c520f56..9df8aa794 100644
--- a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Relations.lean
+++ b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Relations.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Rows
+module
+
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Rows
 /-!
 # Relations for the CKM Matrix
 
@@ -12,6 +14,8 @@ matrix.
 
 -/
 
+@[expose] public section
+
 open Matrix Complex
 
 noncomputable section
diff --git a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Rows.lean b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Rows.lean
index 363cf3219..0ec4c1b7d 100644
--- a/PhysLean/Particles/FlavorPhysics/CKMMatrix/Rows.lean
+++ b/PhysLean/Particles/FlavorPhysics/CKMMatrix/Rows.lean
@@ -3,11 +3,13 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Basic
-import Mathlib.Analysis.SpecialFunctions.Complex.Arg
-import Mathlib.LinearAlgebra.CrossProduct
-import Mathlib.LinearAlgebra.FiniteDimensional.Lemmas
-import Mathlib.Tactic.Cases
+module
+
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Basic
+public import Mathlib.Analysis.SpecialFunctions.Complex.Arg
+public import Mathlib.LinearAlgebra.CrossProduct
+public import Mathlib.LinearAlgebra.FiniteDimensional.Lemmas
+public import Mathlib.Tactic.Cases
 /-!
 # Rows for the CKM Matrix
 
@@ -18,6 +20,8 @@ The first row can be extracted as `[V]u` for a CKM matrix `V`.
 
 -/
 
+@[expose] public section
+
 open Matrix Complex ComplexConjugate Module
 
 noncomputable section
diff --git a/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/Basic.lean b/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/Basic.lean
index 412f606b6..ee65b6da6 100644
--- a/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/Basic.lean
+++ b/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Rows
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.Invariants
+module
+
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Rows
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.Invariants
 /-!
 # Standard parameterization for the CKM Matrix
 
@@ -15,6 +17,8 @@ We will show that every CKM matrix can be written within this standard parameter
 in the file `FlavorPhysics.CKMMatrix.StandardParameters`.
 
 -/
+
+@[expose] public section
 open Matrix Complex
 open ComplexConjugate
 open CKMMatrix
diff --git a/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/StandardParameters.lean b/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/StandardParameters.lean
index c20577568..15b5dff1f 100644
--- a/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/StandardParameters.lean
+++ b/PhysLean/Particles/FlavorPhysics/CKMMatrix/StandardParameterization/StandardParameters.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.PhaseFreedom
-import PhysLean.Particles.FlavorPhysics.CKMMatrix.StandardParameterization.Basic
+module
+
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.PhaseFreedom
+public import PhysLean.Particles.FlavorPhysics.CKMMatrix.StandardParameterization.Basic
 /-!
 # Standard parameters for the CKM Matrix
 
@@ -15,6 +17,8 @@ This leads to the theorem `standParam.exists_for_CKMatrix` which says that up to
 CKM matrix can be written using the standard parameterization.
 
 -/
+
+@[expose] public section
 open Matrix Complex
 open ComplexConjugate
 open CKMMatrix
diff --git a/PhysLean/Particles/NeutrinoPhysics/Basic.lean b/PhysLean/Particles/NeutrinoPhysics/Basic.lean
index d86475422..4356e22d5 100644
--- a/PhysLean/Particles/NeutrinoPhysics/Basic.lean
+++ b/PhysLean/Particles/NeutrinoPhysics/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Prabhoda Chandra Sarjapur. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Prabhoda Chandra Sarjapur
 -/
-import Mathlib.LinearAlgebra.UnitaryGroup
-import Mathlib.Analysis.Complex.Trigonometric
-import Mathlib.Tactic.Polyrith
+module
+
+public import Mathlib.LinearAlgebra.UnitaryGroup
+public import Mathlib.Analysis.Complex.Trigonometric
+public import Mathlib.Tactic.Polyrith
 /-!
 
 # The PMNS matrix
@@ -13,6 +15,8 @@ import Mathlib.Tactic.Polyrith
 The definition the PMNS matrix, which describes neutrino oscillations as part of U(3).
 
 -/
+
+@[expose] public section
 open Matrix Complex
 
 noncomputable section
diff --git a/PhysLean/Particles/StandardModel/AnomalyCancellation/Basic.lean b/PhysLean/Particles/StandardModel/AnomalyCancellation/Basic.lean
index 3650c5e29..06a7a6240 100644
--- a/PhysLean/Particles/StandardModel/AnomalyCancellation/Basic.lean
+++ b/PhysLean/Particles/StandardModel/AnomalyCancellation/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.AnomalyCancellation.Basic
-import Mathlib.Tactic.LinearCombination
+module
+
+public import PhysLean.QFT.AnomalyCancellation.Basic
+public import Mathlib.Tactic.LinearCombination
 /-!
 # Anomaly cancellation conditions for the n-family SM.
 
@@ -12,6 +14,8 @@ We define the ACC system for the Standard Model with`n`-families and no RHN.
 
 -/
 
+@[expose] public section
+
 open Nat
 open BigOperators
 
diff --git a/PhysLean/Particles/StandardModel/AnomalyCancellation/FamilyMaps.lean b/PhysLean/Particles/StandardModel/AnomalyCancellation/FamilyMaps.lean
index 270f410b0..08ee43865 100644
--- a/PhysLean/Particles/StandardModel/AnomalyCancellation/FamilyMaps.lean
+++ b/PhysLean/Particles/StandardModel/AnomalyCancellation/FamilyMaps.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
+module
+
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
 /-!
 # Family maps for the Standard Model ACCs
 
@@ -11,6 +13,8 @@ We define the a series of maps between the charges for different numbers of fami
 
 -/
 
+@[expose] public section
+
 namespace SM
 open SMCharges
 open SMACCs
diff --git a/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/Basic.lean b/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/Basic.lean
index e42ab7fc6..617839f9d 100644
--- a/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/Basic.lean
+++ b/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
+module
+
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
 /-!
 # Anomaly Cancellation in the Standard Model without Gravity
 
@@ -12,6 +14,8 @@ without the gravitational ACC.
 
 -/
 
+@[expose] public section
+
 namespace SM
 open SMCharges
 open SMACCs
diff --git a/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/Lemmas.lean b/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/Lemmas.lean
index c008ea783..922ee2de4 100644
--- a/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/Lemmas.lean
+++ b/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/Lemmas.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.One.LinearParameterization
+module
+
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.One.LinearParameterization
 /-!
 # Lemmas for 1 family SM Accs
 
@@ -13,6 +15,8 @@ The main result of this file is the conclusion of this paper:
 That every solution to the ACCs without gravity satisfies for free the gravitational anomaly.
 -/
 
+@[expose] public section
+
 namespace SM
 namespace SMNoGrav
 namespace One
diff --git a/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/LinearParameterization.lean b/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/LinearParameterization.lean
index 45e8d1bac..21ee15481 100644
--- a/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/LinearParameterization.lean
+++ b/PhysLean/Particles/StandardModel/AnomalyCancellation/NoGrav/One/LinearParameterization.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.Basic
-import Mathlib.NumberTheory.FLT.Three
+module
+
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.NoGrav.Basic
+public import Mathlib.NumberTheory.FLT.Three
 /-!
 # Parameterizations for solutions to the linear ACCs for 1 family
 
@@ -16,6 +18,8 @@ These parameterizations are based on:
 https://arxiv.org/abs/1907.00514
 -/
 
+@[expose] public section
+
 namespace SM
 namespace SMNoGrav
 namespace One
diff --git a/PhysLean/Particles/StandardModel/AnomalyCancellation/Permutations.lean b/PhysLean/Particles/StandardModel/AnomalyCancellation/Permutations.lean
index ba67cf52a..aa2788f84 100644
--- a/PhysLean/Particles/StandardModel/AnomalyCancellation/Permutations.lean
+++ b/PhysLean/Particles/StandardModel/AnomalyCancellation/Permutations.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
-import Mathlib.RepresentationTheory.Basic
+module
+
+public import PhysLean.Particles.StandardModel.AnomalyCancellation.Basic
+public import Mathlib.RepresentationTheory.Basic
 /-!
 
 # Permutations of SM with no RHN.
@@ -13,6 +15,8 @@ We define the group of permutations for the SM charges with no RHN.
 
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/Particles/StandardModel/Basic.lean b/PhysLean/Particles/StandardModel/Basic.lean
index 8927bf029..558fa19b6 100644
--- a/PhysLean/Particles/StandardModel/Basic.lean
+++ b/PhysLean/Particles/StandardModel/Basic.lean
@@ -3,15 +3,19 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Geometry.Manifold.Instances.Real
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.SpaceAndTime.SpaceTime.Basic
+module
+
+public import Mathlib.Geometry.Manifold.Instances.Real
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.SpaceAndTime.SpaceTime.Basic
 /-!
 # The Standard Model
 
 This file defines the basic properties of the standard model in particle physics.
 
 -/
+
+@[expose] public section
 TODO "6V2FP" "Redefine the gauge group as a quotient of SU(3) x SU(2) x U(1) by a subgroup of ℤ₆."
 
 namespace StandardModel
diff --git a/PhysLean/Particles/StandardModel/HiggsBoson/Basic.lean b/PhysLean/Particles/StandardModel/HiggsBoson/Basic.lean
index d127ff8eb..341857dfa 100644
--- a/PhysLean/Particles/StandardModel/HiggsBoson/Basic.lean
+++ b/PhysLean/Particles/StandardModel/HiggsBoson/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.Basic
-import Mathlib.Analysis.InnerProductSpace.Adjoint
-import Mathlib.Geometry.Manifold.VectorBundle.SmoothSection
+module
+
+public import PhysLean.Particles.StandardModel.Basic
+public import Mathlib.Analysis.InnerProductSpace.Adjoint
+public import Mathlib.Geometry.Manifold.VectorBundle.SmoothSection
 /-!
 
 # The Higgs field
@@ -65,6 +67,8 @@ In this module we define the Higgs field and prove some basic properties.
 
 -/
 
+@[expose] public section
+
 namespace StandardModel
 noncomputable section
 
diff --git a/PhysLean/Particles/StandardModel/HiggsBoson/Potential.lean b/PhysLean/Particles/StandardModel/HiggsBoson/Potential.lean
index 12d5f1626..dd2a1b713 100644
--- a/PhysLean/Particles/StandardModel/HiggsBoson/Potential.lean
+++ b/PhysLean/Particles/StandardModel/HiggsBoson/Potential.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.StandardModel.HiggsBoson.Basic
-import Mathlib.Tactic.Cases
+module
+
+public import PhysLean.Particles.StandardModel.HiggsBoson.Basic
+public import Mathlib.Tactic.Cases
 /-!
 # The potential of the Higgs field
 
@@ -14,6 +16,8 @@ We show that the potential is a smooth function on spacetime.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace StandardModel
diff --git a/PhysLean/Particles/StandardModel/Representations.lean b/PhysLean/Particles/StandardModel/Representations.lean
index 892019262..7bcee1987 100644
--- a/PhysLean/Particles/StandardModel/Representations.lean
+++ b/PhysLean/Particles/StandardModel/Representations.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Geometry.Manifold.Instances.Real
+module
+
+public import Mathlib.Geometry.Manifold.Instances.Real
 /-!
 # Representations appearing in the Standard Model
 
@@ -11,6 +13,8 @@ This file defines the basic representations which appear in the Standard Model.
 
 -/
 
+@[expose] public section
+
 namespace StandardModel
 
 open Manifold
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/B3.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/B3.lean
index c4c7566bf..05f50cb9d 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/B3.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/B3.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
-import Mathlib.Tactic.LinearCombination
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
+public import Mathlib.Tactic.LinearCombination
 /-!
 # The definition of the solution B₃ and properties thereof
 
@@ -18,6 +20,8 @@ The main reference for the material in this file is:
 
 -/
 
+@[expose] public section
+
 namespace MSSMACC
 open MSSMCharges
 open MSSMACCs
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Basic.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Basic.lean
index 83cde3aaa..319674748 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Basic.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.AnomalyCancellation.Basic
+module
+
+public import PhysLean.QFT.AnomalyCancellation.Basic
 /-!
 # The MSSM with 3 families and RHNs
 
@@ -12,6 +14,8 @@ We define the system of charges for 1-species. We prove some basic lemmas about
 
 -/
 
+@[expose] public section
+
 open Nat
 open BigOperators
 
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/HyperCharge.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/HyperCharge.lean
index 5ddc9ad4c..36b3a52ec 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/HyperCharge.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/HyperCharge.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
 /-!
 # Hypercharge in MSSM.
 
@@ -11,6 +13,8 @@ Relevant definitions for the MSSM hypercharge.
 
 -/
 
+@[expose] public section
+
 namespace MSSMACC
 open MSSMCharges
 open MSSMACCs
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/LineY3B3.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/LineY3B3.lean
index c01d5989b..a7253a6f8 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/LineY3B3.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/LineY3B3.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Y3
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.B3
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Y3
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.B3
 /-!
 # The line through B₃ and Y₃
 
@@ -19,6 +21,8 @@ The main reference for the material in this file is:
 
 -/
 
+@[expose] public section
+
 namespace MSSMACC
 open MSSMCharges
 open MSSMACCs
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/Basic.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/Basic.lean
index 79f238544..ff25c5aa3 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/Basic.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.LineY3B3
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.LineY3B3
 /-!
 # The type of solutions perpendicular to `Y₃` and `B₃`
 
@@ -18,6 +20,8 @@ The main reference for the material in this file is:
 
 -/
 
+@[expose] public section
+
 namespace MSSMACC
 open MSSMCharges
 open MSSMACCs
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/PlaneWithY3B3.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/PlaneWithY3B3.lean
index 29586f9bc..6831aac8d 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/PlaneWithY3B3.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/PlaneWithY3B3.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.Basic
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.Basic
 /-!
 # Plane Y₃ B₃ and an orthogonal third point
 
@@ -15,6 +17,8 @@ The plane spanned by Y₃, B₃ and third orthogonal point.
 
 -/
 
+@[expose] public section
+
 namespace MSSMACC
 open MSSMCharges
 open MSSMACCs
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/ToSols.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/ToSols.lean
index 72bccbb40..255c775af 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/ToSols.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/OrthogY3B3/ToSols.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.PlaneWithY3B3
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.OrthogY3B3.PlaneWithY3B3
 /-!
 # From charges perpendicular to `Y₃` and `B₃` to solutions
 
@@ -23,6 +25,8 @@ The main reference for the material in this file is:
 
 -/
 
+@[expose] public section
+
 namespace MSSMACC
 open MSSMCharges
 open MSSMACCs
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Permutations.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Permutations.lean
index 8576face2..bac8ac453 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Permutations.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Permutations.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
-import Mathlib.RepresentationTheory.Basic
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
+public import Mathlib.RepresentationTheory.Basic
 /-!
 # Permutations of MSSM charges and solutions
 
@@ -13,6 +15,8 @@ and its action on the MSSM.
 
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Y3.lean b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Y3.lean
index c4bdda4d7..19ab37928 100644
--- a/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Y3.lean
+++ b/PhysLean/Particles/SuperSymmetry/MSSMNu/AnomalyCancellation/Y3.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
-import Mathlib.Tactic.LinearCombination
+module
+
+public import PhysLean.Particles.SuperSymmetry.MSSMNu.AnomalyCancellation.Basic
+public import Mathlib.Tactic.LinearCombination
 /-!
 # The definition of the solution Y₃ and properties thereof
 
@@ -18,6 +20,8 @@ The main reference for the material in this file is:
 
 -/
 
+@[expose] public section
+
 namespace MSSMACC
 open MSSMCharges
 open MSSMACCs
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/AllowsTerm.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/AllowsTerm.lean
index 646ba2433..c66438e58 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/AllowsTerm.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/AllowsTerm.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfPotentialTerm
-import Mathlib.Tactic.FinCases
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfPotentialTerm
+public import Mathlib.Tactic.FinCases
 /-!
 
 # Charges allowing terms
@@ -73,6 +75,8 @@ There are no known references for the results in this file.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 namespace SU5
 
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Basic.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Basic.lean
index b5fd31f93..52aff5c33 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Basic.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Basic.lean
@@ -3,11 +3,13 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Data.Finset.Powerset
-import Mathlib.Data.Finset.Prod
-import Mathlib.Data.Finset.Sort
-import Mathlib.Data.Finset.Option
-import PhysLean.Particles.SuperSymmetry.SU5.Potential
+module
+
+public import Mathlib.Data.Finset.Powerset
+public import Mathlib.Data.Finset.Prod
+public import Mathlib.Data.Finset.Sort
+public import Mathlib.Data.Finset.Option
+public import PhysLean.Particles.SuperSymmetry.SU5.Potential
 /-!
 
 # Charge Spectrum
@@ -56,6 +58,8 @@ They were created specifically for the purpose of PhysLean.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Completions.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Completions.lean
index b1039a0ce..884b5e80c 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Completions.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Completions.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
 /-!
 
 # Completions of charges
@@ -51,6 +53,8 @@ There are no known references for the material in this module.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Map.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Map.lean
index 02a61af98..f6d5943e1 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Map.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Map.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
 /-!
 
 # Mapping charge spectra values
@@ -66,6 +68,8 @@ There are no known references for the material in this module.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimalSuperSet.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimalSuperSet.lean
index becb87ec0..b63154e7a 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimalSuperSet.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimalSuperSet.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
 /-!
 # Minimal super set
 
@@ -44,6 +46,8 @@ There are no known references for the material in this file.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/Basic.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/Basic.lean
index 42e471c34..2e922f88b 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/Basic.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.AllowsTerm
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.AllowsTerm
 /-!
 
 # Charge spectrum which minimally allows terms
@@ -50,6 +52,8 @@ We show that every charge spectrum which minimally allows `T` is of the form
 There are no known references for this material.
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 namespace SU5
 
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/FinsetTerms.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/FinsetTerms.lean
index 2cf0439f8..8b1cfa138 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/FinsetTerms.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/FinsetTerms.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.Basic
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.Basic
 /-!
 
 # Minimally allows a set of terms
@@ -45,6 +47,8 @@ There are no references for this module.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 namespace SU5
 
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/OfFinset.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/OfFinset.lean
index b54ac179a..651442ed8 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/OfFinset.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/MinimallyAllowsTerm/OfFinset.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.Basic
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.Basic
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
 /-!
 
 # The set of charges which minimally allows a potential term
@@ -52,6 +54,8 @@ from a finset.
 There are no known references for the material in this module.
 
 -/
+
+@[expose] public section
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfFieldLabel.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfFieldLabel.lean
index 333029cff..e5c45ef6b 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfFieldLabel.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfFieldLabel.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Basic
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Basic
 /-!
 
 # Charges associated with a field label
@@ -39,6 +41,8 @@ There are no known references for the results in this file.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 namespace SU5
 
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfPotentialTerm.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfPotentialTerm.lean
index d66f801d8..e028acae4 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfPotentialTerm.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/OfPotentialTerm.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfFieldLabel
-import Mathlib.Tactic.Abel
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.OfFieldLabel
+public import Mathlib.Tactic.Abel
 /-!
 
 # Charges associated with a potential term
@@ -48,6 +50,8 @@ There are no known references for this material.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 namespace SU5
 
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoClosed.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoClosed.lean
index b80fcc446..4f56aca4a 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoClosed.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoClosed.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimalSuperSet
-import PhysLean.Meta.TODO.Basic
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimalSuperSet
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # Phenomenologically closed sets of charge spectra
@@ -62,6 +64,8 @@ which include three which are defined in this file: `IsPhenoClosedQ5`, `IsPhenoC
 There are no known references for the material in this module.
 
 -/
+
+@[expose] public section
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoConstrained.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoConstrained.lean
index 880a889c5..5d89082fc 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoConstrained.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/PhenoConstrained.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.AllowsTerm
-import Mathlib.Tactic.Polyrith
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.AllowsTerm
+public import Mathlib.Tactic.Polyrith
 /-!
 
 # Pheno constrained charge spectra
@@ -53,6 +55,8 @@ We define some variations of this result.
 There are no known references for the material in this file.
 
 -/
+
+@[expose] public section
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Yukawa.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Yukawa.lean
index 62077686d..da3710fec 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Yukawa.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/Yukawa.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoConstrained
 /-!
 
 # Yukawa charges
@@ -45,6 +47,8 @@ this module.
 There are no known references for this module.
 
 -/
+
+@[expose] public section
 namespace SuperSymmetry
 namespace SU5
 
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/ZMod.lean b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/ZMod.lean
index 1c6ce01cd..093576c25 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/ZMod.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/ChargeSpectrum/ZMod.lean
@@ -3,11 +3,16 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Data.Fintype.Prod
-import Mathlib.Data.ZMod.Defs
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
-import PhysLean.Meta.Linters.Sorry
+module
+
+meta import Mathlib.Data.ZMod.Defs
+meta import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
+meta import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
+public import Mathlib.Data.Fintype.Prod
+public import Mathlib.Data.ZMod.Defs
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Yukawa
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Completions
+public import PhysLean.Meta.Linters.Sorry
 /-!
 
 # Charge spectra with values in `ZMod n`
@@ -51,6 +56,8 @@ There are no known references for the material in this module.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/FieldLabels.lean b/PhysLean/Particles/SuperSymmetry/SU5/FieldLabels.lean
index c74b20957..a9b8fd5c7 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/FieldLabels.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/FieldLabels.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Tactic.DeriveFintype
+module
+
+public import Mathlib.Tactic.DeriveFintype
 /-!
 
 # The field labels
@@ -32,6 +34,8 @@ The key results are
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 namespace SU5
 
diff --git a/PhysLean/Particles/SuperSymmetry/SU5/Potential.lean b/PhysLean/Particles/SuperSymmetry/SU5/Potential.lean
index 3b7e8b994..13af56175 100644
--- a/PhysLean/Particles/SuperSymmetry/SU5/Potential.lean
+++ b/PhysLean/Particles/SuperSymmetry/SU5/Potential.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.FieldLabels
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.FieldLabels
 /-!
 
 # Potential of the SU(5) + U(1) GUT
@@ -48,6 +50,8 @@ A previous version of this code was replaced in PR#569.
 
 -/
 
+@[expose] public section
+
 namespace SuperSymmetry
 
 namespace SU5
diff --git a/PhysLean/QFT/AnomalyCancellation/Basic.lean b/PhysLean/QFT/AnomalyCancellation/Basic.lean
index 87cedf6a8..aa1e90346 100644
--- a/PhysLean/QFT/AnomalyCancellation/Basic.lean
+++ b/PhysLean/QFT/AnomalyCancellation/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.LinearMaps
-import Mathlib.LinearAlgebra.FiniteDimensional.Defs
-import PhysLean.Meta.Linters.Sorry
-import Mathlib.Tactic.Cases
+module
+
+public import PhysLean.Mathematics.LinearMaps
+public import Mathlib.LinearAlgebra.FiniteDimensional.Defs
+public import PhysLean.Meta.Linters.Sorry
+public import Mathlib.Tactic.Cases
 /-!
 # Anomaly cancellation conditions
 
@@ -78,6 +80,8 @@ Gravitational Anomalies.
 
 -/
 
+@[expose] public section
+
 /-!
 
 ## A. The module of charges
diff --git a/PhysLean/QFT/AnomalyCancellation/GroupActions.lean b/PhysLean/QFT/AnomalyCancellation/GroupActions.lean
index f47ce71ad..8a84ddd0e 100644
--- a/PhysLean/QFT/AnomalyCancellation/GroupActions.lean
+++ b/PhysLean/QFT/AnomalyCancellation/GroupActions.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.AnomalyCancellation.Basic
-import Mathlib.RepresentationTheory.Basic
+module
+
+public import PhysLean.QFT.AnomalyCancellation.Basic
+public import Mathlib.RepresentationTheory.Basic
 /-!
 # Group actions on ACC systems.
 
@@ -18,6 +20,8 @@ From this we define
 
 -/
 
+@[expose] public section
+
 /-- The type of a group action on a system of charges is defined as a representation on
 the vector spaces of charges under which the anomaly equations are invariant.
 -/
diff --git a/PhysLean/QFT/PerturbationTheory/CreateAnnihilate.lean b/PhysLean/QFT/PerturbationTheory/CreateAnnihilate.lean
index e47b4f393..a7cf23bbb 100644
--- a/PhysLean/QFT/PerturbationTheory/CreateAnnihilate.lean
+++ b/PhysLean/QFT/PerturbationTheory/CreateAnnihilate.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Algebra.BigOperators.Group.Finset.Basic
-import Mathlib.Data.Fintype.Card
+module
+
+public import Mathlib.Algebra.BigOperators.Group.Finset.Basic
+public import Mathlib.Data.Fintype.Card
 /-!
 
 # Creation and annihilation parts of fields
 
 -/
 
+@[expose] public section
+
 /-- The type `CreateAnnihilate` is the type containing two elements `create` and `annihilate`.
   This type is used to specify if an operator is a creation, or annihilation, operator
   or the sum thereof or integral thereof etc. -/
diff --git a/PhysLean/QFT/PerturbationTheory/FeynmanDiagrams/Basic.lean b/PhysLean/QFT/PerturbationTheory/FeynmanDiagrams/Basic.lean
index c38a01728..28472dfa1 100644
--- a/PhysLean/QFT/PerturbationTheory/FeynmanDiagrams/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/FeynmanDiagrams/Basic.lean
@@ -3,11 +3,13 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Tactic.FinCases
-import Mathlib.CategoryTheory.Comma.Over.Basic
-import Mathlib.CategoryTheory.IsomorphismClasses
-import Mathlib.Data.Fintype.Perm
-import Mathlib.Combinatorics.SimpleGraph.Connectivity.WalkCounting
+module
+
+public import Mathlib.Tactic.FinCases
+public import Mathlib.CategoryTheory.Comma.Over.Basic
+public import Mathlib.CategoryTheory.IsomorphismClasses
+public import Mathlib.Data.Fintype.Perm
+public import Mathlib.Combinatorics.SimpleGraph.Connectivity.WalkCounting
 /-!
 # Feynman diagrams
 
@@ -29,3 +31,5 @@ This directory is currently a work in progress.
 (Contact JTS before working in this directory.)
 
 -/
+
+@[expose] public section
diff --git a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Basic.lean b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Basic.lean
index 2eeac485c..c21e8997c 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnSection
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnSection
 /-!
 
 # Creation and annihilation free-algebra
@@ -29,6 +31,8 @@ The key lemmas show how these operators interact, particularly focusing on the
 super commutation relations between creation and annihilation operators.
 
 -/
+
+@[expose] public section
 open Module
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
diff --git a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Grading.lean b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Grading.lean
index 510056f57..608a4b93e 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Grading.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/Grading.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Basic
-import Mathlib.RingTheory.GradedAlgebra.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Basic
+public import Mathlib.RingTheory.GradedAlgebra.Basic
 /-!
 
 # Grading on the FieldOpFreeAlgebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open Module FieldStatistic
diff --git a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormTimeOrder.lean b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormTimeOrder.lean
index 2659c870f..93ce776a0 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormTimeOrder.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormTimeOrder.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.TimeOrder
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.TimeOrder
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Basic
 /-!
 
 # Norm-time Ordering in the FieldOpFreeAlgebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open FieldStatistic
diff --git a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormalOrder.lean b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormalOrder.lean
index 49090cc15..d45e68efb 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormalOrder.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/NormalOrder.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.NormalOrder
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.NormalOrder
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
 /-!
 
 # Normal Ordering in the FieldOpFreeAlgebra
@@ -18,6 +20,8 @@ We derive properties of this normal ordering.
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open Module FieldStatistic
diff --git a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/SuperCommute.lean b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/SuperCommute.lean
index f79368f61..934026803 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/SuperCommute.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/SuperCommute.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Grading
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.ExchangeSign
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.Grading
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.ExchangeSign
 /-!
 
 # Super Commute
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/TimeOrder.lean b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/TimeOrder.lean
index 059833b46..ea75c3815 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/TimeOrder.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldOpFreeAlgebra/TimeOrder.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.TimeOrder
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.TimeOrder
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
 /-!
 
 # Time Ordering in the FieldOpFreeAlgebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open Module FieldStatistic
diff --git a/PhysLean/QFT/PerturbationTheory/FieldSpecification/Basic.lean b/PhysLean/QFT/PerturbationTheory/FieldSpecification/Basic.lean
index b317a2732..6d8b6f991 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldSpecification/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldSpecification/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.Basic
-import PhysLean.Units.WithDim.Momentum
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.OfFinset
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.Basic
+public import PhysLean.Units.WithDim.Momentum
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.OfFinset
 /-!
 
 # Field specification
@@ -27,6 +29,8 @@ These states carry the same field statistic as the field they are derived from.
 
 -/
 
+@[expose] public section
+
 /--
 The structure `FieldSpecification` is defined to have the following content:
   - A type `Field` whose elements are the constituent fields of the theory.
diff --git a/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnFieldOp.lean b/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnFieldOp.lean
index c67a1d4e9..3882e69e5 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnFieldOp.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnFieldOp.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.Basic
-import PhysLean.QFT.PerturbationTheory.CreateAnnihilate
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.Basic
+public import PhysLean.QFT.PerturbationTheory.CreateAnnihilate
 /-!
 
 # Creation and annihilation states
@@ -31,6 +33,8 @@ In this module in addition to defining `CrAnFieldOp` we also define some maps:
 (bosonic or fermionic).
 
 -/
+
+@[expose] public section
 namespace FieldSpecification
 variable (𝓕 : FieldSpecification)
 
diff --git a/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnSection.lean b/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnSection.lean
index 8eb873c9b..1fa87f74d 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnSection.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldSpecification/CrAnSection.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnFieldOp
-import PhysLean.Mathematics.List
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnFieldOp
+public import PhysLean.Mathematics.List
 /-!
 
 # Creation and annihilation sections
@@ -29,6 +31,8 @@ In this module we define various properties of `CrAnSection`.
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 
@@ -399,10 +403,8 @@ lemma eraseIdxEquiv_symm_getElem {n : ℕ} (φs : List 𝓕.FieldOp) (hn : n < 
     (a : 𝓕.fieldOpToCrAnType φs[n]) (s : CrAnSection (φs.eraseIdx n)) :
     getElem ((eraseIdxEquiv n φs hn).symm ⟨a,s⟩).1 n
     (by rw [length_eq]; exact hn) = ⟨φs[n], a⟩ := by
-  rw [eraseIdxEquiv_symm_eq_take_cons_drop]
-  simp only [append, take, cons, drop, congr_fst]
-  rw [List.getElem_append]
-  simp only [List.length_take, length_eq, lt_inf_iff, lt_self_iff_false, false_and, ↓reduceDIte]
+  simp only [eraseIdxEquiv_symm_eq_take_cons_drop, append, take, cons, drop, congr_fst,
+    List.length_take, length_eq, inf_le_left, List.getElem_append_right]
   have h0 : n ⊓ (φs.eraseIdx n).length = n := by
     simp only [inf_eq_left]
     rw [← PhysLean.List.eraseIdx_length _ ⟨n, hn⟩] at hn
diff --git a/PhysLean/QFT/PerturbationTheory/FieldSpecification/Filters.lean b/PhysLean/QFT/PerturbationTheory/FieldSpecification/Filters.lean
index c94f5bc6e..f5ff02027 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldSpecification/Filters.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldSpecification/Filters.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnFieldOp
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnFieldOp
 /-!
 
 # Filters of lists of CrAnFieldOp
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/FieldSpecification/NormalOrder.lean b/PhysLean/QFT/PerturbationTheory/FieldSpecification/NormalOrder.lean
index 813258f84..8cb327032 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldSpecification/NormalOrder.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldSpecification/NormalOrder.lean
@@ -3,14 +3,19 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.Filters
-import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSign
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.Filters
+public import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSign
+import all Mathlib.Data.List.Sort
 /-!
 
 # Normal Ordering of states
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/FieldSpecification/TimeOrder.lean b/PhysLean/QFT/PerturbationTheory/FieldSpecification/TimeOrder.lean
index 2d905db92..4ead6677e 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldSpecification/TimeOrder.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldSpecification/TimeOrder.lean
@@ -3,14 +3,19 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnSection
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.NormalOrder
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.CrAnSection
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.NormalOrder
+import all Mathlib.Data.List.Sort
 /-!
 
 # Time ordering of states
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/FieldStatistics/Basic.lean b/PhysLean/QFT/PerturbationTheory/FieldStatistics/Basic.lean
index d62f4f16d..04e0a26d2 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldStatistics/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldStatistics/Basic.lean
@@ -3,11 +3,13 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.List.InsertIdx
-import Mathlib.Tactic.FinCases
-import Mathlib.Algebra.BigOperators.Group.Finset.Piecewise
-import Mathlib.Data.Fintype.Card
-import Mathlib.Algebra.FreeMonoid.Basic
+module
+
+public import PhysLean.Mathematics.List.InsertIdx
+public import Mathlib.Tactic.FinCases
+public import Mathlib.Algebra.BigOperators.Group.Finset.Piecewise
+public import Mathlib.Data.Fintype.Card
+public import Mathlib.Algebra.FreeMonoid.Basic
 /-!
 
 # Field statistics
@@ -16,6 +18,8 @@ Basic properties related to whether a field, or list of fields, is bosonic or fe
 
 -/
 
+@[expose] public section
+
 /-- The type `FieldStatistic` is the type containing two elements `bosonic` and `fermionic`.
   This type is used to specify if a field or operator obeys bosonic or fermionic statistics. -/
 inductive FieldStatistic : Type where
diff --git a/PhysLean/QFT/PerturbationTheory/FieldStatistics/ExchangeSign.lean b/PhysLean/QFT/PerturbationTheory/FieldStatistics/ExchangeSign.lean
index 6e45036e7..386089310 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldStatistics/ExchangeSign.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldStatistics/ExchangeSign.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.Basic
-import Mathlib.Analysis.Complex.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.Basic
+public import Mathlib.Analysis.Complex.Basic
 /-!
 
 # Exchange sign for field statistics
@@ -21,6 +23,8 @@ and prove some properties of it. Importantly:
 
 -/
 
+@[expose] public section
+
 namespace FieldStatistic
 
 variable {𝓕 : Type}
diff --git a/PhysLean/QFT/PerturbationTheory/FieldStatistics/OfFinset.lean b/PhysLean/QFT/PerturbationTheory/FieldStatistics/OfFinset.lean
index 53bb02b84..8f24411e1 100644
--- a/PhysLean/QFT/PerturbationTheory/FieldStatistics/OfFinset.lean
+++ b/PhysLean/QFT/PerturbationTheory/FieldStatistics/OfFinset.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.Basic
-import Mathlib.Data.Finset.Sort
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.Basic
+public import Mathlib.Data.Finset.Sort
 /-!
 
 # Field statistics of a finite set.
 
 -/
 
+@[expose] public section
+
 namespace FieldStatistic
 
 variable {𝓕 : Type}
diff --git a/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSign.lean b/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSign.lean
index 7481d6f4d..223e0b506 100644
--- a/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSign.lean
+++ b/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSign.lean
@@ -3,14 +3,19 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSignInsert
-import PhysLean.Mathematics.List.InsertionSort
+module
+public import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSignInsert
+public import PhysLean.Mathematics.List.InsertionSort
+import all PhysLean.Mathematics.List
+import all Mathlib.Data.List.Sort
 /-!
 
 # Koszul sign
 
 -/
 
+@[expose] public section
+
 namespace Wick
 
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSignInsert.lean b/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSignInsert.lean
index 73bfb23bf..2b64e8e1c 100644
--- a/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSignInsert.lean
+++ b/PhysLean/QFT/PerturbationTheory/Koszul/KoszulSignInsert.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldStatistics.ExchangeSign
-import PhysLean.Mathematics.List
+module
+public import PhysLean.QFT.PerturbationTheory.FieldStatistics.ExchangeSign
+public import PhysLean.Mathematics.List
+import all Mathlib.Data.List.Sort
 /-!
 
 # Koszul sign insert
 
 -/
 
+@[expose] public section
+
 namespace Wick
 
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/Basic.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/Basic.lean
index 6d44e0277..21750cd2b 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
-import Mathlib.Algebra.RingQuot
-import Mathlib.RingTheory.TwoSidedIdeal.Operations
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.SuperCommute
+public import Mathlib.Algebra.RingQuot
+public import Mathlib.RingTheory.TwoSidedIdeal.Operations
 /-!
 
 # The Wick Algebra
@@ -15,6 +17,8 @@ It satisfies the appropriate universality conditions with respect to the operato
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/Grading.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/Grading.lean
index a5be8b09d..e54197251 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/Grading.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/Grading.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
 /-!
 
 # Grading on the field operation algebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Basic.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Basic.lean
index 9df0a592a..94f47008f 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Basic.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.NormalOrder
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.NormalOrder
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
 /-!
 
 # Normal Ordering on Field operator algebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Lemmas.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Lemmas.lean
index da216a3b4..27bd344cb 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Lemmas.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/Lemmas.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Basic
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.SuperCommute
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Basic
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.SuperCommute
 /-!
 
 # Basic properties of normal ordering
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/WickContractions.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/WickContractions.lean
index 9ce64d5ab..15605c69c 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/WickContractions.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/NormalOrder/WickContractions.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
 /-!
 
 # Normal ordering with relation to Wick contractions
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTerm.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTerm.lean
index c23bdad74..c9f6cf93d 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTerm.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTerm.lean
@@ -3,15 +3,19 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.WickContractions
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertNone
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertSome
-import PhysLean.QFT.PerturbationTheory.WickContraction.StaticContract
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.WickContractions
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertNone
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertSome
+public import PhysLean.QFT.PerturbationTheory.WickContraction.StaticContract
 /-!
 
 # Static Wick's terms
 
 -/
+
+@[expose] public section
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTheorem.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTheorem.lean
index e1b334d86..a776f18e5 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTheorem.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/StaticWickTheorem.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTerm
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTerm
 /-!
 
 # Static Wick's theorem
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open FieldOpFreeAlgebra
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/SuperCommute.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/SuperCommute.lean
index 4625534f8..04ed790f0 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/SuperCommute.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/SuperCommute.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
 /-!
 
 # SuperCommute on Field operator algebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeContraction.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeContraction.lean
index 2dd22a082..888b634c6 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeContraction.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeContraction.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeOrder
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeOrder
 /-!
 
 # Time contractions
@@ -14,6 +16,8 @@ generated by the states.
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open FieldOpFreeAlgebra
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeOrder.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeOrder.lean
index 431f26e2f..4c1b9d307 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeOrder.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/TimeOrder.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.SuperCommute
-import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.TimeOrder
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.SuperCommute
+public import PhysLean.QFT.PerturbationTheory.FieldOpFreeAlgebra.TimeOrder
 /-!
 
 # Time Ordering on Field operator algebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open Module FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/Universality.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/Universality.lean
index 19549041b..05949d91e 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/Universality.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/Universality.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.Basic
 /-!
 
 # Universality properties of WickAlgebra
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 open FieldOpFreeAlgebra
 open PhysLean.List
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/WickTerm.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/WickTerm.lean
index a16877c61..446ebf789 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/WickTerm.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/WickTerm.lean
@@ -3,16 +3,20 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertNone
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertSome
-import PhysLean.QFT.PerturbationTheory.WickContraction.TimeContract
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.WickContractions
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertNone
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.InsertSome
+public import PhysLean.QFT.PerturbationTheory.WickContraction.TimeContract
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.WickContractions
 /-!
 
 # Wick term
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheorem.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheorem.lean
index f7fb65bd1..ad2ece820 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheorem.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheorem.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.WickTerm
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.WickTerm
 /-!
 
 # Wick's theorem
@@ -15,6 +17,8 @@ Wick's theorem is related to Isserlis' theorem in mathematics.
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open FieldOpFreeAlgebra
diff --git a/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheoremNormal.lean b/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheoremNormal.lean
index e938345d3..1baf3f9a6 100644
--- a/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheoremNormal.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickAlgebra/WicksTheoremNormal.lean
@@ -3,16 +3,20 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTheorem
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.WicksTheorem
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Join
-import PhysLean.QFT.PerturbationTheory.WickContraction.TimeCond
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.StaticWickTheorem
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.WicksTheorem
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Join
+public import PhysLean.QFT.PerturbationTheory.WickContraction.TimeCond
 /-!
 
 # Wick's theorem for normal ordered lists
 
 -/
 
+@[expose] public section
+
 namespace FieldSpecification
 variable {𝓕 : FieldSpecification}
 open FieldOpFreeAlgebra
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Basic.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Basic.lean
index b768fa18d..f636c6dff 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Basic.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.FieldSpecification.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.FieldSpecification.Basic
 /-!
 
 # Wick contractions
 
 -/
+
+@[expose] public section
 open FieldSpecification
 
 variable {𝓕 : FieldSpecification}
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Card.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Card.lean
index d41572528..cf3e2f4a6 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Card.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Card.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
 /-!
 
 # Cardinality of Wick contractions
 -/
 
+@[expose] public section
+
 open Module FieldSpecification
 variable {𝓕 : FieldSpecification}
 namespace WickContraction
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Erase.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Erase.lean
index 6e13181c4..45d3214f2 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Erase.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Erase.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Uncontracted
-import PhysLean.Mathematics.Fin
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Uncontracted
+public import PhysLean.Mathematics.Fin
 /-!
 
 # Erasing an element from a contraction
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/ExtractEquiv.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/ExtractEquiv.lean
index 1f2b7d6d3..0aebe2ec5 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/ExtractEquiv.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/ExtractEquiv.lean
@@ -3,13 +3,19 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContractNat
+module
+meta import Mathlib.Data.Fintype.Sigma
+meta import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContractNat
+import all Init.Data.Fin.Fold
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContractNat
 /-!
 
 # Equivalence extracting element from contraction
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContract.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContract.lean
index 167088bc3..f9172cfd8 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContract.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContract.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.UncontractedList
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.UncontractedList
 /-!
 
 # Inserting an element into a contraction based on a list
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContractNat.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContractNat.lean
index 6cd4bfd13..3f2c3a6df 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContractNat.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/InsertAndContractNat.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Erase
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Erase
 /-!
 
 # Inserting an element into a contraction
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Involutions.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Involutions.lean
index 55f6a29b5..8814e8343 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Involutions.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Involutions.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
 /-!
 
 # Involution associated with a contraction
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 namespace WickContraction
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/IsFull.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/IsFull.lean
index 73ce53b90..75c6e2baf 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/IsFull.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/IsFull.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.Fin.Involutions
-import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
-import PhysLean.QFT.PerturbationTheory.WickContraction.Involutions
+module
+
+public import PhysLean.Mathematics.Fin.Involutions
+public import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Involutions
 /-!
 
 # Full contraction
@@ -14,6 +16,8 @@ We say that a contraction is full if it has no uncontracted fields.
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 namespace WickContraction
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Join.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Join.lean
index c2a5ac08b..7462805b1 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Join.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Join.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Singleton
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Singleton
 /-!
 
 # Join of contractions
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Perm.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Perm.lean
index 4573f8f00..b4ed103b3 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Perm.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Perm.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.WickTerm
-import PhysLean.QFT.PerturbationTheory.WickContraction.IsFull
-import PhysLean.Meta.Informal.SemiFormal
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.WickTerm
+public import PhysLean.QFT.PerturbationTheory.WickContraction.IsFull
+public import PhysLean.Meta.Informal.SemiFormal
 /-!
 
 # Permutations of Wick contractions
@@ -24,6 +26,8 @@ Please speak to JTS before working in this direction.
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Basic.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Basic.lean
index f19ad2352..48658ddd5 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Basic.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Basic.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
-import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSign
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
+public import PhysLean.QFT.PerturbationTheory.Koszul.KoszulSign
 /-!
 
 # Sign associated with a contraction
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertNone.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertNone.lean
index f0776971e..53f4c1e57 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertNone.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertNone.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
 
 /-!
 
@@ -12,6 +14,8 @@ import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertSome.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertSome.lean
index 4523815b7..b02576d33 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertSome.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/InsertSome.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
 
 /-!
 
@@ -14,6 +16,8 @@ The main results of this file are `sign_insert_some_of_lt` and `sign_insert_some
 write the sign of `(φsΛ ↩Λ φ i (some k)).sign` in terms of the sign of `φsΛ`.
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Join.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Join.lean
index e77854355..3b41fc729 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Join.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Sign/Join.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Join
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Join
 /-!
 
 # Sign associated with joining two Wick contractions
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Singleton.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Singleton.lean
index 89678698f..8fd9a3784 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Singleton.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Singleton.lean
@@ -3,16 +3,20 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.SubContraction
-import PhysLean.QFT.PerturbationTheory.WickContraction.StaticContract
-import PhysLean.QFT.PerturbationTheory.WickContraction.TimeContract
-import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.SubContraction
+public import PhysLean.QFT.PerturbationTheory.WickContraction.StaticContract
+public import PhysLean.QFT.PerturbationTheory.WickContraction.TimeContract
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Sign.Basic
 /-!
 
 # Singleton of contractions
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/StaticContract.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/StaticContract.lean
index 22b281949..26d34b3ca 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/StaticContract.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/StaticContract.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.NormalOrder.Lemmas
 /-!
 
 # Time contractions
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/SubContraction.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/SubContraction.lean
index f2a860b6a..701ed083e 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/SubContraction.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/SubContraction.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.UncontractedList
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.UncontractedList
 /-!
 
 # Sub contractions
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/TimeCond.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/TimeCond.lean
index 2bbc20dc0..f3c81c1ce 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/TimeCond.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/TimeCond.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Join
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Join
 /-!
 
 # Time contractions
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/TimeContract.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/TimeContract.lean
index 42bfa2c4b..2d98e9fda 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/TimeContract.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/TimeContract.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeContraction
-import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickAlgebra.TimeContraction
+public import PhysLean.QFT.PerturbationTheory.WickContraction.InsertAndContract
 /-!
 
 # Time contractions
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/Uncontracted.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/Uncontracted.lean
index 126d8b87c..a413dba82 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/Uncontracted.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/Uncontracted.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.Basic
 /-!
 
 # Uncontracted elements
 
 -/
+
+@[expose] public section
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
diff --git a/PhysLean/QFT/PerturbationTheory/WickContraction/UncontractedList.lean b/PhysLean/QFT/PerturbationTheory/WickContraction/UncontractedList.lean
index 25decf7d2..5ac25035b 100644
--- a/PhysLean/QFT/PerturbationTheory/WickContraction/UncontractedList.lean
+++ b/PhysLean/QFT/PerturbationTheory/WickContraction/UncontractedList.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
+module
+
+public import PhysLean.QFT.PerturbationTheory.WickContraction.ExtractEquiv
 /-!
 
 # List of uncontracted elements of a Wick contraction
 
 -/
 
+@[expose] public section
+
 open FieldSpecification
 variable {𝓕 : FieldSpecification}
 
@@ -141,8 +145,8 @@ lemma orderedInsert_of_fin_list_sorted :
   | a :: l, hl, i => by
     simp only [List.pairwise_cons] at hl
     by_cases ha : i ≤ a
-    · simp only [List.orderedInsert, ha, ↓reduceIte, Fin.val_fin_lt, decide_eq_true_eq, not_lt,
-      List.filter_cons_of_neg, Fin.val_fin_le, decide_true, List.filter_cons_of_pos]
+    · simp only [List.orderedInsert_cons, ha, ↓reduceIte, Fin.val_fin_lt, decide_eq_true_eq,
+      not_lt, List.filter_cons_of_neg, Fin.val_fin_le, decide_true, List.filter_cons_of_pos]
       have h1 : List.filter (fun x => decide (↑x < ↑i)) l = [] := by
         simp only [List.filter_eq_nil_iff, decide_eq_true_eq, not_lt]
         intro a ha
@@ -152,8 +156,8 @@ lemma orderedInsert_of_fin_list_sorted :
         conv_lhs => rw [fin_list_sorted_split l hl.2 i]
         simp [h1]
       simp [← hl, h1]
-    · simp only [List.orderedInsert, ha, ↓reduceIte, Fin.val_fin_lt, Fin.val_fin_le, decide_false,
-      Bool.false_eq_true, not_false_eq_true, List.filter_cons_of_neg]
+    · simp only [List.orderedInsert_cons, ha, ↓reduceIte, Fin.val_fin_lt, Fin.val_fin_le,
+      decide_false, Bool.false_eq_true, not_false_eq_true, List.filter_cons_of_neg]
       rw [List.filter_cons_of_pos]
       rw [orderedInsert_of_fin_list_sorted l hl.2 i]
       simp only [Fin.val_fin_lt, Fin.val_fin_le, List.cons_append]
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Basic.lean b/PhysLean/QFT/QED/AnomalyCancellation/Basic.lean
index e545af696..9843ea742 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Basic.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.AnomalyCancellation.Basic
-import Mathlib.Tactic.LinearCombination
+module
+
+public import PhysLean.QFT.AnomalyCancellation.Basic
+public import Mathlib.Tactic.LinearCombination
 /-!
 
 # Anomaly cancellation of a theory with a pure U(1)-gauge group
@@ -20,6 +22,8 @@ rational numbers.
 
 -/
 
+@[expose] public section
+
 open Nat
 
 open Finset
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/BasisLinear.lean b/PhysLean/QFT/QED/AnomalyCancellation/BasisLinear.lean
index f01b9b20f..30db3ea1c 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/BasisLinear.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/BasisLinear.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Basic
-import Mathlib.LinearAlgebra.FreeModule.StrongRankCondition
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Basic
+public import Mathlib.LinearAlgebra.FreeModule.StrongRankCondition
 /-!
 # Basis of `LinSols`
 
@@ -12,6 +14,8 @@ We give a basis of vector space `LinSols`, and find the rank thereof.
 
 -/
 
+@[expose] public section
+
 namespace PureU1
 
 open BigOperators Module
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/ConstAbs.lean b/PhysLean/QFT/QED/AnomalyCancellation/ConstAbs.lean
index 58b117804..f4cc7bfca 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/ConstAbs.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/ConstAbs.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
 /-!
 # Charges assignments with constant abs
 
@@ -11,6 +13,8 @@ We look at charge assignments in which all charges have the same absolute value.
 
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 open BigOperators
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Even/BasisLinear.lean b/PhysLean/QFT/QED/AnomalyCancellation/Even/BasisLinear.lean
index a2f5ffae0..573660b75 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Even/BasisLinear.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Even/BasisLinear.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.BasisLinear
-import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.BasisLinear
+public import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
 /-!
 
 # Splitting the linear solutions in the even case into two ACC-satisfying planes
@@ -76,6 +78,8 @@ conditions.
 
 -/
 
+@[expose] public section
+
 open Nat Module Finset BigOperators
 
 namespace PureU1
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Even/LineInCubic.lean b/PhysLean/QFT/QED/AnomalyCancellation/Even/LineInCubic.lean
index 4d5a5da98..306a7a276 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Even/LineInCubic.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Even/LineInCubic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Even.BasisLinear
-import PhysLean.QFT.QED.AnomalyCancellation.LineInPlaneCond
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Even.BasisLinear
+public import PhysLean.QFT.QED.AnomalyCancellation.LineInPlaneCond
 /-!
 
 # Line In Cubic Even case
@@ -21,6 +23,8 @@ The main reference for this file is:
 - https://arxiv.org/pdf/1912.04804.pdf
 -/
 
+@[expose] public section
+
 namespace PureU1
 namespace Even
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Even/Parameterization.lean b/PhysLean/QFT/QED/AnomalyCancellation/Even/Parameterization.lean
index 6ed8eb7a6..8c27bfebc 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Even/Parameterization.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Even/Parameterization.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Even.LineInCubic
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Even.LineInCubic
 /-!
 # Parameterization in even case
 
@@ -17,6 +19,8 @@ The main reference is:
 
 -/
 
+@[expose] public section
+
 namespace PureU1
 namespace Even
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/LineInPlaneCond.lean b/PhysLean/QFT/QED/AnomalyCancellation/LineInPlaneCond.lean
index a8f969fa0..ad0b998a2 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/LineInPlaneCond.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/LineInPlaneCond.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.ConstAbs
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.ConstAbs
 /-!
 # Line in plane condition
 
@@ -21,6 +23,8 @@ We will show that `n ≥ 4` the `line in plane` condition on solutions implies t
 
 -/
 
+@[expose] public section
+
 namespace PureU1
 
 open BigOperators
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/LowDim/One.lean b/PhysLean/QFT/QED/AnomalyCancellation/LowDim/One.lean
index 94f81fcf8..ea2dae5cc 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/LowDim/One.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/LowDim/One.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Basic
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Basic
 /-!
 # The Pure U(1) case with 1 fermion
 
 We show that in this case the charge must be zero.
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Three.lean b/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Three.lean
index 12e63512c..335a9569a 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Three.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Three.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Basic
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Basic
 /-!
 # The Pure U(1) case with 3 fermion
 
@@ -11,6 +13,8 @@ We show that S is a solution only if one of its charges is zero.
 We define a surjective map from `LinSols` with a charge equal to zero to `Sols`.
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Two.lean b/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Two.lean
index d30ef081f..8c0d33016 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Two.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/LowDim/Two.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Basic
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Basic
 /-!
 # The Pure U(1) case with 2 fermions
 
 We define an equivalence between `LinSols` and `Sols`.
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Odd/BasisLinear.lean b/PhysLean/QFT/QED/AnomalyCancellation/Odd/BasisLinear.lean
index cf468002f..53592c5e5 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Odd/BasisLinear.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Odd/BasisLinear.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.BasisLinear
-import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.BasisLinear
+public import PhysLean.QFT.QED.AnomalyCancellation.VectorLike
 /-!
 # Splitting the linear solutions in the odd case into two ACC-satisfying planes
 
@@ -71,6 +73,8 @@ conditions.
 
 -/
 
+@[expose] public section
+
 open Module Nat Finset BigOperators
 
 namespace PureU1
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Odd/LineInCubic.lean b/PhysLean/QFT/QED/AnomalyCancellation/Odd/LineInCubic.lean
index 08492f168..9692a8d9b 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Odd/LineInCubic.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Odd/LineInCubic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.LineInPlaneCond
-import PhysLean.QFT.QED.AnomalyCancellation.Odd.BasisLinear
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.LineInPlaneCond
+public import PhysLean.QFT.QED.AnomalyCancellation.Odd.BasisLinear
 /-!
 
 # Line In Cubic Odd case
@@ -20,6 +22,8 @@ The main reference for this file is:
 
 - https://arxiv.org/pdf/1912.04804.pdf
 -/
+
+@[expose] public section
 namespace PureU1
 namespace Odd
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Odd/Parameterization.lean b/PhysLean/QFT/QED/AnomalyCancellation/Odd/Parameterization.lean
index 1b4a8f0cb..5cf065370 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Odd/Parameterization.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Odd/Parameterization.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Odd.LineInCubic
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Odd.LineInCubic
 /-!
 # Parameterization in odd case
 
@@ -15,6 +17,8 @@ The main reference is:
 - https://arxiv.org/pdf/1912.04804.pdf
 
 -/
+
+@[expose] public section
 namespace PureU1
 namespace Odd
 open BigOperators
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Permutations.lean b/PhysLean/QFT/QED/AnomalyCancellation/Permutations.lean
index 1e2eebe2f..a308c7c07 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Permutations.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Permutations.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Basic
-import PhysLean.QFT.AnomalyCancellation.GroupActions
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Basic
+public import PhysLean.QFT.AnomalyCancellation.GroupActions
 /-!
 # Permutations of Pure U(1) ACC
 
@@ -13,6 +15,8 @@ We further define the action on the ACC System.
 
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/Sorts.lean b/PhysLean/QFT/QED/AnomalyCancellation/Sorts.lean
index 7c2717db4..0639ce258 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/Sorts.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/Sorts.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Permutations
-import Mathlib.Data.Fin.Tuple.Sort
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Permutations
+public import Mathlib.Data.Fin.Tuple.Sort
 /-!
 # Sort for Pure U(1) charges
 
@@ -12,6 +14,8 @@ We define the sort function for Pure U(1) charges, and prove some basic properti
 
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 
diff --git a/PhysLean/QFT/QED/AnomalyCancellation/VectorLike.lean b/PhysLean/QFT/QED/AnomalyCancellation/VectorLike.lean
index 59897bd1a..99909e10b 100644
--- a/PhysLean/QFT/QED/AnomalyCancellation/VectorLike.lean
+++ b/PhysLean/QFT/QED/AnomalyCancellation/VectorLike.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QFT.QED.AnomalyCancellation.Sorts
+module
+
+public import PhysLean.QFT.QED.AnomalyCancellation.Sorts
 /-!
 # Vector like charges
 
@@ -11,6 +13,8 @@ For the `n`-even case we define the property of a charge assignment being vector
 
 -/
 
+@[expose] public section
+
 open Nat
 open Finset
 open BigOperators
diff --git a/PhysLean/QuantumMechanics/DDimensions/Hydrogen/Basic.lean b/PhysLean/QuantumMechanics/DDimensions/Hydrogen/Basic.lean
index 82872c280..1542f8ebf 100644
--- a/PhysLean/QuantumMechanics/DDimensions/Hydrogen/Basic.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/Hydrogen/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import PhysLean.QuantumMechanics.DDimensions.Operators.Momentum
-import PhysLean.QuantumMechanics.DDimensions.Operators.Position
+module
+
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Momentum
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Position
 /-!
 
 # Hydrogen atom
@@ -24,6 +26,8 @@ but is convenient to include for two reasons:
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 open SchwartzMap
 
diff --git a/PhysLean/QuantumMechanics/DDimensions/Hydrogen/LaplaceRungeLenzVector.lean b/PhysLean/QuantumMechanics/DDimensions/Hydrogen/LaplaceRungeLenzVector.lean
index 474cc0a24..f93f4ae13 100644
--- a/PhysLean/QuantumMechanics/DDimensions/Hydrogen/LaplaceRungeLenzVector.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/Hydrogen/LaplaceRungeLenzVector.lean
@@ -3,8 +3,10 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import PhysLean.QuantumMechanics.DDimensions.Hydrogen.Basic
-import PhysLean.QuantumMechanics.DDimensions.Operators.Commutation
+module
+
+public import PhysLean.QuantumMechanics.DDimensions.Hydrogen.Basic
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Commutation
 /-!
 
 # Laplace-Runge-Lenz vector
@@ -22,6 +24,8 @@ The main results are
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 namespace HydrogenAtom
 noncomputable section
diff --git a/PhysLean/QuantumMechanics/DDimensions/Operators/AngularMomentum.lean b/PhysLean/QuantumMechanics/DDimensions/Operators/AngularMomentum.lean
index 31da9a9ca..4e5026c38 100644
--- a/PhysLean/QuantumMechanics/DDimensions/Operators/AngularMomentum.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/Operators/AngularMomentum.lean
@@ -3,8 +3,10 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import PhysLean.QuantumMechanics.DDimensions.Operators.Position
-import PhysLean.QuantumMechanics.DDimensions.Operators.Momentum
+module
+
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Position
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Momentum
 /-!
 
 # Angular momentum operator
@@ -38,6 +40,8 @@ Notation:
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 noncomputable section
 open Constants
diff --git a/PhysLean/QuantumMechanics/DDimensions/Operators/Commutation.lean b/PhysLean/QuantumMechanics/DDimensions/Operators/Commutation.lean
index 4df97c16e..8c4797506 100644
--- a/PhysLean/QuantumMechanics/DDimensions/Operators/Commutation.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/Operators/Commutation.lean
@@ -3,8 +3,10 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import PhysLean.Mathematics.KroneckerDelta
-import PhysLean.QuantumMechanics.DDimensions.Operators.AngularMomentum
+module
+
+public import PhysLean.Mathematics.KroneckerDelta
+public import PhysLean.QuantumMechanics.DDimensions.Operators.AngularMomentum
 /-!
 
 # Commutation relations
@@ -44,6 +46,8 @@ Commutator lemmas come in three flavors:
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 noncomputable section
 open Constants
diff --git a/PhysLean/QuantumMechanics/DDimensions/Operators/Momentum.lean b/PhysLean/QuantumMechanics/DDimensions/Operators/Momentum.lean
index 240c94538..69ed47556 100644
--- a/PhysLean/QuantumMechanics/DDimensions/Operators/Momentum.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/Operators/Momentum.lean
@@ -3,10 +3,12 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import PhysLean.QuantumMechanics.DDimensions.Operators.Unbounded
-import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.SchwartzSubmodule
-import PhysLean.QuantumMechanics.PlanckConstant
-import PhysLean.SpaceAndTime.Space.Derivatives.Basic
+module
+
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Unbounded
+public import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.SchwartzSubmodule
+public import PhysLean.QuantumMechanics.PlanckConstant
+public import PhysLean.SpaceAndTime.Space.Derivatives.Basic
 /-!
 
 # Momentum operators
@@ -38,6 +40,8 @@ Notation:
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 noncomputable section
 open Constants
diff --git a/PhysLean/QuantumMechanics/DDimensions/Operators/Position.lean b/PhysLean/QuantumMechanics/DDimensions/Operators/Position.lean
index 7badf1e3a..98a7043e3 100644
--- a/PhysLean/QuantumMechanics/DDimensions/Operators/Position.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/Operators/Position.lean
@@ -3,9 +3,11 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import PhysLean.QuantumMechanics.DDimensions.Operators.Unbounded
-import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.SchwartzSubmodule
-import PhysLean.SpaceAndTime.Space.Derivatives.Basic
+module
+
+public import PhysLean.QuantumMechanics.DDimensions.Operators.Unbounded
+public import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.SchwartzSubmodule
+public import PhysLean.SpaceAndTime.Space.Derivatives.Basic
 /-!
 
 # Position operators
@@ -43,6 +45,8 @@ Notation:
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 noncomputable section
 open Space
@@ -84,7 +88,7 @@ lemma positionOperator_apply (ψ : 𝓢(Space d, ℂ)) (x : Space d) : 𝐱[i] 
 TODO "ZGCNP" "Incorporate normRegularizedPow into Space.Norm"
 
 /-- Power of regularized norm, `(‖x‖² + ε²)^(s/2)`. -/
-private def normRegularizedPow (ε s : ℝ) : Space d → ℝ :=
+def normRegularizedPow (ε s : ℝ) : Space d → ℝ :=
   fun x ↦ (‖x‖ ^ 2 + ε ^ 2) ^ (s / 2)
 
 private lemma normRegularizedPow_hasTemperateGrowth {ε s : ℝ} (hε : 0 < ε) :
diff --git a/PhysLean/QuantumMechanics/DDimensions/Operators/Unbounded.lean b/PhysLean/QuantumMechanics/DDimensions/Operators/Unbounded.lean
index c9deef589..98ffdcf97 100644
--- a/PhysLean/QuantumMechanics/DDimensions/Operators/Unbounded.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/Operators/Unbounded.lean
@@ -3,7 +3,9 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import PhysLean.Mathematics.InnerProductSpace.Submodule
+module
+
+public import PhysLean.Mathematics.InnerProductSpace.Submodule
 /-!
 
 # Unbounded operators
@@ -26,6 +28,8 @@ We prove some basic relations, making use of the density and closability assumpt
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 open LinearPMap Submodule
diff --git a/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/Basic.lean b/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/Basic.lean
index 4f2f874e3..a74780bcd 100644
--- a/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/Basic.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/Basic.lean
@@ -3,15 +3,19 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import Mathlib.Analysis.InnerProductSpace.Dual
-import Mathlib.MeasureTheory.Function.L2Space
-import PhysLean.SpaceAndTime.Space.Module
+module
+
+public import Mathlib.Analysis.InnerProductSpace.Dual
+public import Mathlib.MeasureTheory.Function.L2Space
+public import PhysLean.SpaceAndTime.Space.Module
 /-!
 
 # Hilbert space for quantum mechanics on Space d
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 noncomputable section
diff --git a/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/SchwartzSubmodule.lean b/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/SchwartzSubmodule.lean
index d1122521d..762c89acb 100644
--- a/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/SchwartzSubmodule.lean
+++ b/PhysLean/QuantumMechanics/DDimensions/SpaceDHilbertSpace/SchwartzSubmodule.lean
@@ -3,14 +3,18 @@ Copyright (c) 2026 Gregory J. Loges. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gregory J. Loges
 -/
-import Mathlib.Analysis.Distribution.SchwartzSpace.Basic
-import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.Basic
+module
+
+public import Mathlib.Analysis.Distribution.SchwartzSpace.Basic
+public import PhysLean.QuantumMechanics.DDimensions.SpaceDHilbertSpace.Basic
 /-!
 
 # Schwartz submodule of the Hilbert space
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 namespace SpaceDHilbertSpace
 
diff --git a/PhysLean/QuantumMechanics/FiniteTarget/Basic.lean b/PhysLean/QuantumMechanics/FiniteTarget/Basic.lean
index e46e35ddf..4e703976e 100644
--- a/PhysLean/QuantumMechanics/FiniteTarget/Basic.lean
+++ b/PhysLean/QuantumMechanics/FiniteTarget/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.InnerProductSpace.Adjoint
-import Mathlib.Analysis.Normed.Algebra.Exponential
-import PhysLean.Meta.TODO.Basic
-import PhysLean.QuantumMechanics.PlanckConstant
+module
+
+public import Mathlib.Analysis.InnerProductSpace.Adjoint
+public import Mathlib.Analysis.Normed.Algebra.Exponential
+public import PhysLean.Meta.TODO.Basic
+public import PhysLean.QuantumMechanics.PlanckConstant
 /-!
 
 # Finite target quantum mechanics
@@ -19,6 +21,8 @@ Physical examples of such systems include:
 - Tight binding chains.
 
 -/
+
+@[expose] public section
 open Constants Module
 namespace QuantumMechanics
 
diff --git a/PhysLean/QuantumMechanics/FiniteTarget/HilbertSpace.lean b/PhysLean/QuantumMechanics/FiniteTarget/HilbertSpace.lean
index d68633be6..4ed7f06e7 100644
--- a/PhysLean/QuantumMechanics/FiniteTarget/HilbertSpace.lean
+++ b/PhysLean/QuantumMechanics/FiniteTarget/HilbertSpace.lean
@@ -3,15 +3,19 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.CStarAlgebra.Classes
-import PhysLean.Meta.TODO.Basic
-import Mathlib.Analysis.InnerProductSpace.PiL2
+module
+
+public import Mathlib.Analysis.CStarAlgebra.Classes
+public import PhysLean.Meta.TODO.Basic
+public import Mathlib.Analysis.InnerProductSpace.PiL2
 /-!
 
 # The Hilbert space of a finite target quantum mechanical system
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 /-- The finite dimensional Hilbert space of dimension `n`. -/
diff --git a/PhysLean/QuantumMechanics/OneDimension/GeneralPotential/Basic.lean b/PhysLean/QuantumMechanics/OneDimension/GeneralPotential/Basic.lean
index 10133ab5f..a443b785d 100644
--- a/PhysLean/QuantumMechanics/OneDimension/GeneralPotential/Basic.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/GeneralPotential/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Ammar Husain. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Ammar Husain
 -/
-import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
-import PhysLean.QuantumMechanics.OneDimension.Operators.Position
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Position
 
 /-!
 
@@ -12,6 +14,8 @@ import PhysLean.QuantumMechanics.OneDimension.Operators.Position
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Basic.lean b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Basic.lean
index 29c7c4426..2b09ef9d8 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Basic.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.Operators.Parity
-import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
-import PhysLean.QuantumMechanics.OneDimension.Operators.Position
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Parity
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Position
 
 /-!
 
@@ -22,6 +24,8 @@ This file contains
 
 -/
 
+@[expose] public section
+
 /-!
 
 ## Some preliminary results about Complex.ofReal .
diff --git a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Completeness.lean b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Completeness.lean
index 95e94e52f..dd1c9fbda 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Completeness.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Completeness.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Eigenfunction
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Gaussians
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Eigenfunction
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Gaussians
 /-!
 
 # Completeness of the eigenfunctions of the Harmonic Oscillator
@@ -20,6 +22,8 @@ The steps of this proof are:
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Eigenfunction.lean b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Eigenfunction.lean
index 8188ac088..f6463c0c1 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Eigenfunction.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Eigenfunction.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Basic
-import PhysLean.Mathematics.SpecialFunctions.PhysHermite
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Basic
+public import PhysLean.Mathematics.SpecialFunctions.PhysHermite
 /-!
 
 # Eigenfunction of the Harmonic Oscillator
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Examples.lean b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Examples.lean
index e1951072a..828be6587 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Examples.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Examples.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Nicola Bernini. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Nicola Bernini
 -/
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.TISE
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.TISE
 /-!
 # Examples: 1d Quantum Harmonic Oscillator
 
@@ -19,6 +21,8 @@ lake env lean PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/Examples
 ```
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 namespace OneDimension
 namespace HarmonicOscillator
diff --git a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/TISE.lean b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/TISE.lean
index a5824ac77..27774bf63 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/TISE.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HarmonicOscillator/TISE.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Eigenfunction
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HarmonicOscillator.Eigenfunction
 /-!
 
 # The time-independent Schrodinger equation
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Basic.lean b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Basic.lean
index d8a005d1d..55b83a766 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Basic.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Basic.lean
@@ -3,16 +3,20 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.MeasureTheory.Function.L2Space
-import Mathlib.Analysis.SpecialFunctions.Gaussian.GaussianIntegral
-import PhysLean.Meta.Linters.Sorry
-import Mathlib.Analysis.InnerProductSpace.Dual
+module
+
+public import Mathlib.MeasureTheory.Function.L2Space
+public import Mathlib.Analysis.SpecialFunctions.Gaussian.GaussianIntegral
+public import PhysLean.Meta.Linters.Sorry
+public import Mathlib.Analysis.InnerProductSpace.Dual
 /-!
 
 # Hilbert space for one dimension quantum mechanics
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Gaussians.lean b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Gaussians.lean
index c259dd69d..c8bb8a64a 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Gaussians.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/Gaussians.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Basic
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Basic
 /-!
 
 # Gaussians and the hilbert space
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PlaneWaves.lean b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PlaneWaves.lean
index d952fabb8..3fd932ce1 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PlaneWaves.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PlaneWaves.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.SchwartzSubmodule
-import Mathlib.Analysis.Distribution.TemperedDistribution
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.SchwartzSubmodule
+public import Mathlib.Analysis.Distribution.TemperedDistribution
 /-!
 
 # Plane waves
@@ -14,6 +16,8 @@ Schwartz submodule of the Hilbert space.
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PositionStates.lean b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PositionStates.lean
index 39ba41723..4e0a624cc 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PositionStates.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/PositionStates.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.SchwartzSubmodule
-import Mathlib.Analysis.Distribution.TemperedDistribution
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.SchwartzSubmodule
+public import Mathlib.Analysis.Distribution.TemperedDistribution
 /-!
 
 # Position states
@@ -13,6 +15,8 @@ We define plane waves as a member of the dual of the
 Schwartz submodule of the Hilbert space.
 
 -/
+
+@[expose] public section
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/SchwartzSubmodule.lean b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/SchwartzSubmodule.lean
index a1bb2507b..36ee7b53f 100644
--- a/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/SchwartzSubmodule.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/HilbertSpace/SchwartzSubmodule.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Basic
-import Mathlib.Analysis.Distribution.SchwartzSpace.Fourier
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.Basic
+public import Mathlib.Analysis.Distribution.SchwartzSpace.Fourier
 /-!
 
 # Schwartz submodule of the Hilbert space
@@ -14,6 +16,8 @@ the rigged Hilbert space.
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/Operators/Commutation.lean b/PhysLean/QuantumMechanics/OneDimension/Operators/Commutation.lean
index 0d8fa3b72..781e119f7 100644
--- a/PhysLean/QuantumMechanics/OneDimension/Operators/Commutation.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/Operators/Commutation.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.Operators.Position
-import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Position
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
 /-!
 
 # Commutation relations
@@ -13,6 +15,8 @@ The commutation relations between different operators.
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/Operators/Momentum.lean b/PhysLean/QuantumMechanics/OneDimension/Operators/Momentum.lean
index 2c8a71ab7..26eaad580 100644
--- a/PhysLean/QuantumMechanics/OneDimension/Operators/Momentum.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/Operators/Momentum.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
 /-!
 
 # Momentum operator
@@ -16,6 +18,8 @@ We show that plane waves are generalized eigenvectors of the momentum operator.
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/Operators/Parity.lean b/PhysLean/QuantumMechanics/OneDimension/Operators/Parity.lean
index 75234b108..5ae6150d1 100644
--- a/PhysLean/QuantumMechanics/OneDimension/Operators/Parity.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/Operators/Parity.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PositionStates
-import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PositionStates
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
 /-!
 
 # Parity operator
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/Operators/Position.lean b/PhysLean/QuantumMechanics/OneDimension/Operators/Position.lean
index 1d38c296b..9df7f94c6 100644
--- a/PhysLean/QuantumMechanics/OneDimension/Operators/Position.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/Operators/Position.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PositionStates
-import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
-import PhysLean.Mathematics.Distribution.PowMul
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PositionStates
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Unbounded
+public import PhysLean.Mathematics.Distribution.PowMul
 /-!
 
 # Position operator
@@ -18,6 +20,8 @@ We show that position wavefunctions are generalized eigenvectors of the position
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/Operators/Unbounded.lean b/PhysLean/QuantumMechanics/OneDimension/Operators/Unbounded.lean
index f8a66fe7b..8362a257b 100644
--- a/PhysLean/QuantumMechanics/OneDimension/Operators/Unbounded.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/Operators/Unbounded.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PlaneWaves
-import PhysLean.QuantumMechanics.PlanckConstant
-import Mathlib.Analysis.Calculus.FDeriv.Star
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.HilbertSpace.PlaneWaves
+public import PhysLean.QuantumMechanics.PlanckConstant
+public import Mathlib.Analysis.Calculus.FDeriv.Star
 /-!
 
 # Unbounded operators
@@ -17,6 +19,8 @@ in another form within Mathlib.
 
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 
 namespace OneDimension
diff --git a/PhysLean/QuantumMechanics/OneDimension/ReflectionlessPotential/Basic.lean b/PhysLean/QuantumMechanics/OneDimension/ReflectionlessPotential/Basic.lean
index 752d82c76..c8648c3e3 100644
--- a/PhysLean/QuantumMechanics/OneDimension/ReflectionlessPotential/Basic.lean
+++ b/PhysLean/QuantumMechanics/OneDimension/ReflectionlessPotential/Basic.lean
@@ -3,11 +3,13 @@ Copyright (c) 2025 Afiq Hatta. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Afiq Hatta
 -/
-import PhysLean.QuantumMechanics.OneDimension.Operators.Parity
-import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
-import PhysLean.QuantumMechanics.OneDimension.Operators.Position
-import PhysLean.SpaceAndTime.Time.Basic
-import PhysLean.Mathematics.Trigonometry.Tanh
+module
+
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Parity
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Momentum
+public import PhysLean.QuantumMechanics.OneDimension.Operators.Position
+public import PhysLean.SpaceAndTime.Time.Basic
+public import PhysLean.Mathematics.Trigonometry.Tanh
 /-!
 
 # 1d Reflectionless Potential
@@ -24,6 +26,8 @@ annihilation operators
 - Show reflectionless properties
 -/
 
+@[expose] public section
+
 namespace QuantumMechanics
 open Real
 open Space
diff --git a/PhysLean/QuantumMechanics/PlanckConstant.lean b/PhysLean/QuantumMechanics/PlanckConstant.lean
index 2412f5818..1f12283ab 100644
--- a/PhysLean/QuantumMechanics/PlanckConstant.lean
+++ b/PhysLean/QuantumMechanics/PlanckConstant.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Data.NNReal.Defs
+module
+
+public import Mathlib.Data.NNReal.Defs
 /-!
 
 # Planck's constant
@@ -11,6 +13,8 @@ import Mathlib.Data.NNReal.Defs
 In this module we define the Planck's constant `ℏ` as a positive real number.
 
 -/
+
+@[expose] public section
 open NNReal
 
 namespace Constants
diff --git a/PhysLean/Relativity/Bispinors/Basic.lean b/PhysLean/Relativity/Bispinors/Basic.lean
index b1daaa757..1fbf1e39e 100644
--- a/PhysLean/Relativity/Bispinors/Basic.lean
+++ b/PhysLean/Relativity/Bispinors/Basic.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.PauliMatrices.ToTensor
+module
+
+public import PhysLean.Relativity.PauliMatrices.ToTensor
 /-!
 
 ## Bispinors
 
 -/
+
+@[expose] public section
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/CliffordAlgebra.lean b/PhysLean/Relativity/CliffordAlgebra.lean
index c9aeff39e..62e088fa4 100644
--- a/PhysLean/Relativity/CliffordAlgebra.lean
+++ b/PhysLean/Relativity/CliffordAlgebra.lean
@@ -3,10 +3,12 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Complex.Basic
-import Mathlib.Data.Matrix.Reflection
-import Mathlib.LinearAlgebra.CliffordAlgebra.Basic
-import PhysLean.Meta.TODO.Basic
+module
+
+public import Mathlib.Analysis.Complex.Basic
+public import Mathlib.Data.Matrix.Reflection
+public import Mathlib.LinearAlgebra.CliffordAlgebra.Basic
+public import PhysLean.Meta.TODO.Basic
 /-!
 # The Clifford Algebra
 
@@ -31,6 +33,8 @@ This file defines the Gamma matrices and their relationship to the Clifford alge
 - Construct the `AlgEquiv` between `CliffordAlgebra diracForm` and `diracAlgebra`
 
 -/
+
+@[expose] public section
 TODO "6VZF2" "Prove injectivity of ofCliffordAlgebra and construct the full isomorphism."
 namespace spaceTime
 open Complex
diff --git a/PhysLean/Relativity/LorentzAlgebra/Basic.lean b/PhysLean/Relativity/LorentzAlgebra/Basic.lean
index 3f63ae7c1..f320effab 100644
--- a/PhysLean/Relativity/LorentzAlgebra/Basic.lean
+++ b/PhysLean/Relativity/LorentzAlgebra/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.MinkowskiMatrix
+module
+
+public import PhysLean.Relativity.MinkowskiMatrix
 /-!
 # The Lorentz Algebra
 
@@ -16,6 +18,8 @@ We define
 
 -/
 
+@[expose] public section
+
 open Matrix
 open TensorProduct
 
diff --git a/PhysLean/Relativity/LorentzAlgebra/Basis.lean b/PhysLean/Relativity/LorentzAlgebra/Basis.lean
index 340632cc3..298ba9bf2 100644
--- a/PhysLean/Relativity/LorentzAlgebra/Basis.lean
+++ b/PhysLean/Relativity/LorentzAlgebra/Basis.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzAlgebra.Basic
-import PhysLean.Meta.TODO.Basic
+module
+
+public import PhysLean.Relativity.LorentzAlgebra.Basic
+public import PhysLean.Meta.TODO.Basic
 /-!
 # Generators of the Lorentz Algebra
 
@@ -42,6 +44,8 @@ TODO "6VZKA" can be completed by proving linear independence and spanning of the
 
 -/
 
+@[expose] public section
+
 open Matrix
 
 namespace lorentzAlgebra
diff --git a/PhysLean/Relativity/LorentzAlgebra/ExponentialMap.lean b/PhysLean/Relativity/LorentzAlgebra/ExponentialMap.lean
index 73281c771..b71b902b7 100644
--- a/PhysLean/Relativity/LorentzAlgebra/ExponentialMap.lean
+++ b/PhysLean/Relativity/LorentzAlgebra/ExponentialMap.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Matteo Cipollina. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina
 -/
-import Mathlib.Analysis.Normed.Field.Instances
-import PhysLean.Mathematics.DataStructures.Matrix.LieTrace
-import PhysLean.Relativity.LorentzAlgebra.Basic
-import PhysLean.Relativity.LorentzGroup.Restricted.Basic
+module
+
+public import Mathlib.Analysis.Normed.Field.Instances
+public import PhysLean.Mathematics.DataStructures.Matrix.LieTrace
+public import PhysLean.Relativity.LorentzAlgebra.Basic
+public import PhysLean.Relativity.LorentzGroup.Restricted.Basic
 
 /-!
 # Exponential map from the Lorentz algebra to the restricted Lorentz group
@@ -20,6 +22,8 @@ onto the proper orthochronous Lorentz group (`LorentzGroup.restricted 3`). We pr
 Hence `exp A ∈ LorentzGroup.restricted 3`.
 -/
 
+@[expose] public section
+
 open Matrix
 open minkowskiMatrix
 
diff --git a/PhysLean/Relativity/LorentzGroup/Basic.lean b/PhysLean/Relativity/LorentzGroup/Basic.lean
index 1a66d9dda..1e1c6ea88 100644
--- a/PhysLean/Relativity/LorentzGroup/Basic.lean
+++ b/PhysLean/Relativity/LorentzGroup/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.MinkowskiMatrix
-import PhysLean.Meta.TODO.Basic
-import Mathlib.Analysis.Complex.Basic
-import Mathlib.Topology.Instances.Matrix
+module
+
+public import PhysLean.Relativity.MinkowskiMatrix
+public import PhysLean.Meta.TODO.Basic
+public import Mathlib.Analysis.Complex.Basic
+public import Mathlib.Topology.Instances.Matrix
 /-!
 # The Lorentz Group
 
@@ -18,6 +20,8 @@ We define the Lorentz group.
 <https://cdn.ku.edu.tr/cdn/files/amostafazadeh/phys517_518/phys517_2016f/Handouts/A_Jaffi_Lorentz_Group.pdf>
 
 -/
+
+@[expose] public section
 TODO "6VZHM" "Define the Lie group structure on the Lorentz group."
 
 noncomputable section
diff --git a/PhysLean/Relativity/LorentzGroup/Boosts/Apply.lean b/PhysLean/Relativity/LorentzGroup/Boosts/Apply.lean
index afd25c735..48a622dcc 100644
--- a/PhysLean/Relativity/LorentzGroup/Boosts/Apply.lean
+++ b/PhysLean/Relativity/LorentzGroup/Boosts/Apply.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzGroup.Boosts.Basic
+module
+
+public import PhysLean.Relativity.LorentzGroup.Boosts.Basic
 /-!
 
 ## Boosts applied to Lorentz vectors
@@ -13,6 +15,8 @@ of Lorentz vectors.
 
 -/
 
+@[expose] public section
+
 namespace Lorentz
 open realLorentzTensor
 open LorentzGroup
diff --git a/PhysLean/Relativity/LorentzGroup/Boosts/Basic.lean b/PhysLean/Relativity/LorentzGroup/Boosts/Basic.lean
index 37893b22a..06b771be2 100644
--- a/PhysLean/Relativity/LorentzGroup/Boosts/Basic.lean
+++ b/PhysLean/Relativity/LorentzGroup/Boosts/Basic.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.Basic
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.Basic
 /-!
 # Boosts in the Lorentz group
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 open Matrix
diff --git a/PhysLean/Relativity/LorentzGroup/Boosts/Generalized.lean b/PhysLean/Relativity/LorentzGroup/Boosts/Generalized.lean
index 193ce93b3..01ff3de93 100644
--- a/PhysLean/Relativity/LorentzGroup/Boosts/Generalized.lean
+++ b/PhysLean/Relativity/LorentzGroup/Boosts/Generalized.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzGroup.Restricted.Basic
-import PhysLean.Meta.Linters.Sorry
+module
+
+public import PhysLean.Relativity.LorentzGroup.Restricted.Basic
+public import PhysLean.Meta.Linters.Sorry
 /-!
 
 # Generalized Boosts
@@ -24,6 +26,8 @@ A boost is the special case of a generalised boost when `u = basis 0`.
   https://diposit.ub.edu/dspace/bitstream/2445/68763/2/memoria.pdf
 
 -/
+
+@[expose] public section
 noncomputable section
 
 namespace LorentzGroup
diff --git a/PhysLean/Relativity/LorentzGroup/Orthochronous/Basic.lean b/PhysLean/Relativity/LorentzGroup/Orthochronous/Basic.lean
index b434c377b..9a8683702 100644
--- a/PhysLean/Relativity/LorentzGroup/Orthochronous/Basic.lean
+++ b/PhysLean/Relativity/LorentzGroup/Orthochronous/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzGroup.Proper
-import PhysLean.Relativity.LorentzGroup.ToVector
-import PhysLean.Relativity.Tensors.RealTensor.Velocity.Basic
+module
+
+public import PhysLean.Relativity.LorentzGroup.Proper
+public import PhysLean.Relativity.LorentzGroup.ToVector
+public import PhysLean.Relativity.Tensors.RealTensor.Velocity.Basic
 /-!
 # The Orthochronous Lorentz Group
 
@@ -13,6 +15,8 @@ We define the give a series of lemmas related to the orthochronous property of l
 matrices.
 
 -/
+
+@[expose] public section
 TODO "6VZLO" "Prove topological properties of the Orthochronous Lorentz Group."
 
 noncomputable section
diff --git a/PhysLean/Relativity/LorentzGroup/Proper.lean b/PhysLean/Relativity/LorentzGroup/Proper.lean
index 7dc5d0fdd..374f3b524 100644
--- a/PhysLean/Relativity/LorentzGroup/Proper.lean
+++ b/PhysLean/Relativity/LorentzGroup/Proper.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzGroup.Basic
-import Mathlib.Topology.Connected.PathConnected
-import Mathlib.Tactic.Cases
+module
+
+public import PhysLean.Relativity.LorentzGroup.Basic
+public import Mathlib.Topology.Connected.PathConnected
+public import Mathlib.Tactic.Cases
 /-!
 # The Proper Lorentz Group
 
@@ -15,6 +17,8 @@ We define the give a series of lemmas related to the determinant of the Lorentz
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 open Matrix
diff --git a/PhysLean/Relativity/LorentzGroup/Restricted/Basic.lean b/PhysLean/Relativity/LorentzGroup/Restricted/Basic.lean
index c068108f5..51ba296c7 100644
--- a/PhysLean/Relativity/LorentzGroup/Restricted/Basic.lean
+++ b/PhysLean/Relativity/LorentzGroup/Restricted/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.Relativity.LorentzGroup.Orthochronous.Basic
+module
+
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.Relativity.LorentzGroup.Orthochronous.Basic
 /-!
 # The Restricted Lorentz Group
 
@@ -12,6 +14,8 @@ This file is currently a stub.
 
 -/
 
+@[expose] public section
+
 TODO "6VZNP" "Prove that every member of the restricted Lorentz group is
   combination of a boost and a rotation."
 
diff --git a/PhysLean/Relativity/LorentzGroup/Restricted/FromBoostRotation.lean b/PhysLean/Relativity/LorentzGroup/Restricted/FromBoostRotation.lean
index 63d2e0ee0..6ee3f75a8 100644
--- a/PhysLean/Relativity/LorentzGroup/Restricted/FromBoostRotation.lean
+++ b/PhysLean/Relativity/LorentzGroup/Restricted/FromBoostRotation.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzGroup.Rotations
+module
+
+public import PhysLean.Relativity.LorentzGroup.Rotations
 /-!
 # The construction of an element of the Lorentz group from a boost and a rotation
 
@@ -15,6 +17,8 @@ as a product of a generalized boost and a rotation.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace LorentzGroup
diff --git a/PhysLean/Relativity/LorentzGroup/Rotations.lean b/PhysLean/Relativity/LorentzGroup/Rotations.lean
index a180ad4b6..3e7ab01c9 100644
--- a/PhysLean/Relativity/LorentzGroup/Rotations.lean
+++ b/PhysLean/Relativity/LorentzGroup/Rotations.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzGroup.Boosts.Generalized
+module
+
+public import PhysLean.Relativity.LorentzGroup.Boosts.Generalized
 /-!
 # Rotations
 
@@ -11,6 +13,8 @@ In this module we define rotations of in the Lorentz group.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace LorentzGroup
diff --git a/PhysLean/Relativity/LorentzGroup/ToVector.lean b/PhysLean/Relativity/LorentzGroup/ToVector.lean
index 623746902..98bb45166 100644
--- a/PhysLean/Relativity/LorentzGroup/ToVector.lean
+++ b/PhysLean/Relativity/LorentzGroup/ToVector.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
 /-!
 
 # Vectors from Lorentz group elements
@@ -11,6 +13,8 @@ import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
 Every element of the Lorentz group defines a Lorentz vector, but it's first column.
 
 -/
+
+@[expose] public section
 noncomputable section
 
 namespace LorentzGroup
diff --git a/PhysLean/Relativity/MinkowskiMatrix.lean b/PhysLean/Relativity/MinkowskiMatrix.lean
index 0af4324d8..d06f5350e 100644
--- a/PhysLean/Relativity/MinkowskiMatrix.lean
+++ b/PhysLean/Relativity/MinkowskiMatrix.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Algebra.Lie.Classical
-import Mathlib.Analysis.Normed.Ring.Lemmas
+module
+
+public import Mathlib.Algebra.Lie.Classical
+public import Mathlib.Analysis.Normed.Ring.Lemmas
 /-!
 
 # The Minkowski matrix
@@ -53,6 +55,8 @@ No references are given here.
 
 -/
 
+@[expose] public section
+
 open Matrix
 /-!
 
diff --git a/PhysLean/Relativity/PauliMatrices/AsTensor.lean b/PhysLean/Relativity/PauliMatrices/AsTensor.lean
index 88e050d1c..0fcd62445 100644
--- a/PhysLean/Relativity/PauliMatrices/AsTensor.lean
+++ b/PhysLean/Relativity/PauliMatrices/AsTensor.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Two
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Two
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
 /-!
 
 ## Pauli matrices as a tensor
@@ -14,6 +16,8 @@ the pauli matrices in invariant under the `SL(2,ℂ)` action.
 
 -/
 
+@[expose] public section
+
 namespace PauliMatrix
 
 open Complex
diff --git a/PhysLean/Relativity/PauliMatrices/Basic.lean b/PhysLean/Relativity/PauliMatrices/Basic.lean
index a59507452..9f13edd44 100644
--- a/PhysLean/Relativity/PauliMatrices/Basic.lean
+++ b/PhysLean/Relativity/PauliMatrices/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Algebra.Lie.OfAssociative
-import Mathlib.Analysis.Complex.Basic
-import Mathlib.LinearAlgebra.Matrix.Trace
+module
+
+public import Mathlib.Algebra.Lie.OfAssociative
+public import Mathlib.Analysis.Complex.Basic
+public import Mathlib.LinearAlgebra.Matrix.Trace
 /-!
 
 ## Pauli matrices
@@ -26,6 +28,8 @@ and the following abbreviations:
 - `σ^__` is the Pauli matrices as a complex Lorentz tensor of type `ℂT[.up, .downR, .downL]`.
 
 -/
+
+@[expose] public section
 open Matrix
 open Complex
 open TensorProduct
diff --git a/PhysLean/Relativity/PauliMatrices/CliffordAlgebra.lean b/PhysLean/Relativity/PauliMatrices/CliffordAlgebra.lean
index c5ed19184..4aab4a8fd 100644
--- a/PhysLean/Relativity/PauliMatrices/CliffordAlgebra.lean
+++ b/PhysLean/Relativity/PauliMatrices/CliffordAlgebra.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Eric Wieser. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Eric Wieser
 -/
-import PhysLean.Relativity.PauliMatrices.Basic
-import Mathlib.LinearAlgebra.CliffordAlgebra.Basic
+module
+
+public import PhysLean.Relativity.PauliMatrices.Basic
+public import Mathlib.LinearAlgebra.CliffordAlgebra.Basic
 
 /-!
 # The Pauli matrices, interpreted as a Clifford algebra
 -/
+
+@[expose] public section
 noncomputable section
 
 namespace PauliMatrix
diff --git a/PhysLean/Relativity/PauliMatrices/Relations.lean b/PhysLean/Relativity/PauliMatrices/Relations.lean
index 1d0fe1232..9c04e27a5 100644
--- a/PhysLean/Relativity/PauliMatrices/Relations.lean
+++ b/PhysLean/Relativity/PauliMatrices/Relations.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.PauliMatrices.ToTensor
-import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
+module
+
+public import PhysLean.Relativity.PauliMatrices.ToTensor
+public import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
 /-!
 
 ## Contraction of indices of Pauli matrix.
@@ -16,6 +18,8 @@ The current way this result is proved is by using tensor tree manipulations.
 There is likely a more direct path to this result.
 
 -/
+
+@[expose] public section
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/PauliMatrices/SelfAdjoint.lean b/PhysLean/Relativity/PauliMatrices/SelfAdjoint.lean
index 4554f1574..d6bfd9e68 100644
--- a/PhysLean/Relativity/PauliMatrices/SelfAdjoint.lean
+++ b/PhysLean/Relativity/PauliMatrices/SelfAdjoint.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.PauliMatrices.Basic
-import PhysLean.Relativity.MinkowskiMatrix
+module
+
+public import PhysLean.Relativity.PauliMatrices.Basic
+public import PhysLean.Relativity.MinkowskiMatrix
 /-!
 
 ## Interaction of Pauli matrices with self-adjoint matrices
 
 -/
+
+@[expose] public section
 namespace PauliMatrix
 open Matrix Module
 
diff --git a/PhysLean/Relativity/PauliMatrices/ToTensor.lean b/PhysLean/Relativity/PauliMatrices/ToTensor.lean
index d043be5e4..f300594a7 100644
--- a/PhysLean/Relativity/PauliMatrices/ToTensor.lean
+++ b/PhysLean/Relativity/PauliMatrices/ToTensor.lean
@@ -3,14 +3,18 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
-import PhysLean.Relativity.PauliMatrices.AsTensor
-import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
+public import PhysLean.Relativity.PauliMatrices.AsTensor
+public import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
 /-!
 
 # Pauli matrices as a tensor
 
 -/
+
+@[expose] public section
 open Module IndexNotation
 open Matrix
 open MatrixGroups
diff --git a/PhysLean/Relativity/SL2C/Basic.lean b/PhysLean/Relativity/SL2C/Basic.lean
index 9d5133c64..0741f9396 100644
--- a/PhysLean/Relativity/SL2C/Basic.lean
+++ b/PhysLean/Relativity/SL2C/Basic.lean
@@ -3,15 +3,19 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.SL2C.SelfAdjoint
-import Mathlib.Analysis.Complex.Polynomial.Basic
-import PhysLean.Relativity.LorentzGroup.Restricted.Basic
+module
+
+public import PhysLean.Relativity.SL2C.SelfAdjoint
+public import Mathlib.Analysis.Complex.Polynomial.Basic
+public import PhysLean.Relativity.LorentzGroup.Restricted.Basic
 /-!
 # The group SL(2, ℂ) and it's relation to the Lorentz group
 
 The aim of this file is to give the relationship between `SL(2, ℂ)` and the Lorentz group.
 
 -/
+
+@[expose] public section
 namespace Lorentz
 
 open Module Matrix
diff --git a/PhysLean/Relativity/SL2C/SelfAdjoint.lean b/PhysLean/Relativity/SL2C/SelfAdjoint.lean
index 398d0e6fd..a1e2a1a66 100644
--- a/PhysLean/Relativity/SL2C/SelfAdjoint.lean
+++ b/PhysLean/Relativity/SL2C/SelfAdjoint.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Gordon Hsu. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Gordon Hsu
 -/
-import PhysLean.Mathematics.SchurTriangulation
-import Mathlib.LinearAlgebra.Matrix.Hermitian
+module
+
+public import PhysLean.Mathematics.SchurTriangulation
+public import Mathlib.LinearAlgebra.Matrix.Hermitian
 /-! # Extra lemmas regarding `Lorentz.SL2C.toSelfAdjointMap`
 
 This file redefines `Lorentz.SL2C.toSelfAdjointMap` by dropping the special linear condition for its
@@ -21,6 +23,8 @@ case via `Matrix.schur_triangulation` in `Lorentz.SL2C.toSelfAdjointMap_det_one`
 
 -/
 
+@[expose] public section
+
 namespace Lorentz
 
 open scoped Matrix
diff --git a/PhysLean/Relativity/Special/ProperTime.lean b/PhysLean/Relativity/Special/ProperTime.lean
index 4a6b1def1..b8fccdb8a 100644
--- a/PhysLean/Relativity/Special/ProperTime.lean
+++ b/PhysLean/Relativity/Special/ProperTime.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.Basic
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.LightLike
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.TimeLike
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.Basic
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.LightLike
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.TimeLike
 /-!
 # Proper Time
 
@@ -13,6 +15,8 @@ This file introduces 4d Minkowski spacetime.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace SpaceTime
diff --git a/PhysLean/Relativity/Special/TwinParadox/Basic.lean b/PhysLean/Relativity/Special/TwinParadox/Basic.lean
index 1f8203bac..2263f4e27 100644
--- a/PhysLean/Relativity/Special/TwinParadox/Basic.lean
+++ b/PhysLean/Relativity/Special/TwinParadox/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Special.ProperTime
+module
+
+public import PhysLean.Relativity.Special.ProperTime
 /-!
 # Twin Paradox
 
@@ -23,6 +25,8 @@ The origin of the twin paradox dates back to Paul Langevin in 1911.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace SpecialRelativity
diff --git a/PhysLean/Relativity/SpeedOfLight.lean b/PhysLean/Relativity/SpeedOfLight.lean
index 10f8ecd6d..cfc4c8604 100644
--- a/PhysLean/Relativity/SpeedOfLight.lean
+++ b/PhysLean/Relativity/SpeedOfLight.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Algebra.Lie.Classical
-import Mathlib.Analysis.Normed.Ring.Lemmas
+module
+
+public import Mathlib.Algebra.Lie.Classical
+public import Mathlib.Analysis.Normed.Ring.Lemmas
 /-!
 
 # The Speed of Light
@@ -29,6 +31,8 @@ and should be thought of as the speed of light in some chosen but arbitrary syst
 ## iv. References
 
 -/
+
+@[expose] public section
 open Matrix
 
 /-!
diff --git a/PhysLean/Relativity/Tensors/Basic.lean b/PhysLean/Relativity/Tensors/Basic.lean
index f491b47c9..46c07c4b3 100644
--- a/PhysLean/Relativity/Tensors/Basic.lean
+++ b/PhysLean/Relativity/Tensors/Basic.lean
@@ -3,15 +3,19 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.TensorSpecies.Basic
-import Mathlib.Topology.Algebra.Module.ModuleTopology
-import Mathlib.Analysis.RCLike.Basic
+module
+
+public import PhysLean.Relativity.Tensors.TensorSpecies.Basic
+public import Mathlib.Topology.Algebra.Module.ModuleTopology
+public import Mathlib.Analysis.RCLike.Basic
 /-!
 
 # Tensors
 
 -/
 
+@[expose] public section
+
 open Module IndexNotation CategoryTheory MonoidalCategory
 
 namespace TensorSpecies
diff --git a/PhysLean/Relativity/Tensors/Color/Basic.lean b/PhysLean/Relativity/Tensors/Color/Basic.lean
index 37bee803d..9c5c3e695 100644
--- a/PhysLean/Relativity/Tensors/Color/Basic.lean
+++ b/PhysLean/Relativity/Tensors/Color/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.CategoryTheory.Core
-import Mathlib.CategoryTheory.Comma.Over.Basic
-import Mathlib.CategoryTheory.Monoidal.Braided.Basic
-import PhysLean.Meta.TODO.Basic
+module
+
+public import Mathlib.CategoryTheory.Core
+public import Mathlib.CategoryTheory.Comma.Over.Basic
+public import Mathlib.CategoryTheory.Monoidal.Braided.Basic
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # Color
@@ -46,6 +48,8 @@ a symmetric monoidal functor `OverColor C ⥤ Rep k G`, given by taking tensor p
 
 -/
 
+@[expose] public section
+
 namespace IndexNotation
 open CategoryTheory
 
diff --git a/PhysLean/Relativity/Tensors/Color/Discrete.lean b/PhysLean/Relativity/Tensors/Color/Discrete.lean
index cfd4e95e8..23a81a5f0 100644
--- a/PhysLean/Relativity/Tensors/Color/Discrete.lean
+++ b/PhysLean/Relativity/Tensors/Color/Discrete.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.RepresentationTheory.Rep
+module
+
+public import Mathlib.RepresentationTheory.Rep
 /-!
 
 # Discrete color category
 
 -/
 
+@[expose] public section
+
 namespace IndexNotation
 namespace OverColor
 namespace Discrete
diff --git a/PhysLean/Relativity/Tensors/Color/Lift.lean b/PhysLean/Relativity/Tensors/Color/Lift.lean
index 26a2f568f..26d0aa9a5 100644
--- a/PhysLean/Relativity/Tensors/Color/Lift.lean
+++ b/PhysLean/Relativity/Tensors/Color/Lift.lean
@@ -3,11 +3,13 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Color.Basic
-import Mathlib.RepresentationTheory.Rep
-import PhysLean.Mathematics.PiTensorProduct
-import Mathlib.Algebra.Lie.OfAssociative
-import PhysLean.Meta.Informal.Basic
+module
+
+public import PhysLean.Relativity.Tensors.Color.Basic
+public import Mathlib.RepresentationTheory.Rep
+public import PhysLean.Mathematics.PiTensorProduct
+public import Mathlib.Algebra.Lie.OfAssociative
+public import PhysLean.Meta.Informal.Basic
 /-!
 
 ## Lifting functors.
@@ -24,6 +26,8 @@ interact more generally with tensors.
 
 -/
 
+@[expose] public section
+
 namespace IndexNotation
 namespace OverColor
 
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Basic.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Basic.lean
index 259c297f5..8c0259235 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Basic.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Basic.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Pre
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Metric
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Pre
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Metric
 /-!
 
 ## Complex Lorentz tensors
 
 -/
+
+@[expose] public section
 open Matrix
 open MatrixGroups
 open Complex
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Lemmas.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Lemmas.lean
index 83d1006b9..6af3d9467 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Lemmas.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Lemmas.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Basic
 /-!
 
 ## Lemmas related to complex Lorentz tensors.
 
 -/
+
+@[expose] public section
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Matrix/Pre.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Matrix/Pre.lean
index 0fce92029..eb73e2878 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Matrix/Pre.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Matrix/Pre.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
 /-!
 
 # Tensor products of two complex Lorentz vectors
 
 -/
+
+@[expose] public section
 noncomputable section
 
 open Module Matrix
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Basic.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Basic.lean
index 0b1161b51..00462a28c 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Basic.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Basic.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.OfRat
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.OfRat
 /-!
 
 ## Metrics as complex Lorentz tensors
 
 -/
+
+@[expose] public section
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Lemmas.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Lemmas.lean
index dc87b9620..6155f76c7 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Lemmas.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Lemmas.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
-import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Metrics.Basic
+public import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
 /-!
 
 ## Basic lemmas regarding metrics
 
 -/
+
+@[expose] public section
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Pre.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Pre.lean
index 57bee7108..67dff436f 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Pre.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Metrics/Pre.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Units.Pre
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Units.Pre
 /-!
 
 # Metric for complex Lorentz vectors
 
 -/
+
+@[expose] public section
 noncomputable section
 
 open Module Matrix
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/OfRat.lean b/PhysLean/Relativity/Tensors/ComplexTensor/OfRat.lean
index 34f7da5ab..ecc6b1e56 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/OfRat.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/OfRat.lean
@@ -3,15 +3,19 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Basic
-import PhysLean.Mathematics.RatComplexNum
-import PhysLean.Relativity.Tensors.Dual
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Basic
+public import PhysLean.Mathematics.RatComplexNum
+public import PhysLean.Relativity.Tensors.Dual
 /-!
 
 # Basis for tensors in a tensor species
 
 -/
 
+@[expose] public section
+
 open Module IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Units/Basic.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Units/Basic.lean
index dfaad874f..2549ea6cd 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Units/Basic.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Units/Basic.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.OfRat
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.OfRat
 /-!
 
 ## Unit tensors for complex Lorentz tensors
 
 -/
+
+@[expose] public section
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Units/Pre.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Units/Pre.lean
index d9765b587..b51d459b0 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Units/Pre.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Units/Pre.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Matrix.Pre
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Contraction
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Matrix.Pre
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Contraction
 /-!
 
 # Unit for complex Lorentz vectors
 
 -/
+
+@[expose] public section
 noncomputable section
 
 open Module Matrix
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Units/Symm.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Units/Symm.lean
index d41287931..fcd682cf7 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Units/Symm.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Units/Symm.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Units.Basic
 /-!
 
 ## Symmetry lemmas relating to units
 
 -/
+
+@[expose] public section
 open IndexNotation
 open Matrix
 
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Basic.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Basic.lean
index 97178f03d..52dc3c542 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Basic.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Modules
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Modules
 /-!
 
 # Complex Lorentz vectors
@@ -12,6 +14,8 @@ We define complex Lorentz vectors in 4d space-time as representations of SL(2, C
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 open Module Matrix
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Contraction.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Contraction.lean
index c418771a3..ea9504794 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Contraction.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Contraction.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Vector.Pre.Basic
 /-!
 
 # Contraction of Lorentz vectors
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 open Module Matrix
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Modules.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Modules.lean
index 2d23d78d1..eacb9a016 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Modules.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Vector/Pre/Modules.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.SL2C.Basic
+module
+
+public import PhysLean.Relativity.SL2C.Basic
 /-!
 
 ## Modules associated with complex Lorentz vectors
@@ -14,6 +16,8 @@ These definitions are preludes to the definitions of
 
 -/
 
+@[expose] public section
+
 namespace Lorentz
 
 noncomputable section
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Basic.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Basic.lean
index 10e6bec6a..bef661d66 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Basic.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Modules
-import PhysLean.Relativity.SL2C.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Modules
+public import PhysLean.Relativity.SL2C.Basic
 /-!
 
 # Weyl fermions
@@ -14,6 +16,8 @@ https://particle.physics.ucdavis.edu/modernsusy/slides/slideimages/spinorfeynrul
 
 -/
 
+@[expose] public section
+
 namespace Fermion
 noncomputable section
 
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Contraction.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Contraction.lean
index c8e361ec0..a67f623ae 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Contraction.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Contraction.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Basic
 /-!
 
 # Contraction of Weyl fermions
@@ -12,6 +14,8 @@ We define the contraction of Weyl fermions.
 
 -/
 
+@[expose] public section
+
 namespace Fermion
 noncomputable section
 
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Metric.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Metric.lean
index 738807f1b..31852512d 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Metric.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Metric.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Unit
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Unit
 /-!
 
 # Metrics of Weyl fermions
@@ -14,6 +16,8 @@ and from right-handed to alt-right-handed Weyl fermions and back.
 
 -/
 
+@[expose] public section
+
 namespace Fermion
 noncomputable section
 
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Modules.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Modules.lean
index cb7af4638..0c553a748 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Modules.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Modules.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Algebra.Lie.OfAssociative
-import Mathlib.Analysis.Complex.Basic
+module
+
+public import Mathlib.Algebra.Lie.OfAssociative
+public import Mathlib.Analysis.Complex.Basic
 /-!
 
 ## Modules associated with Fermions
@@ -18,6 +20,8 @@ types of fermions.
 
 -/
 
+@[expose] public section
+
 namespace Fermion
 noncomputable section
 
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Two.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Two.lean
index 634468d6c..57ee55b67 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Two.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Two.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Basic
 /-!
 
 # Tensor product of two Weyl fermion
 
 -/
 
+@[expose] public section
+
 namespace Fermion
 noncomputable section
 
diff --git a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Unit.lean b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Unit.lean
index 1665f5def..a3774d8b8 100644
--- a/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Unit.lean
+++ b/PhysLean/Relativity/Tensors/ComplexTensor/Weyl/Unit.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Two
-import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Contraction
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Two
+public import PhysLean.Relativity.Tensors.ComplexTensor.Weyl.Contraction
 /-!
 
 # Units of Weyl fermions
@@ -13,6 +15,8 @@ We define the units for Weyl fermions, often denoted `δ` in the literature.
 
 -/
 
+@[expose] public section
+
 namespace Fermion
 noncomputable section
 
diff --git a/PhysLean/Relativity/Tensors/Constructors.lean b/PhysLean/Relativity/Tensors/Constructors.lean
index a7cfd2618..ed7951e46 100644
--- a/PhysLean/Relativity/Tensors/Constructors.lean
+++ b/PhysLean/Relativity/Tensors/Constructors.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Contraction.Products
+module
+
+public import PhysLean.Relativity.Tensors.Contraction.Products
 /-!
 
 # Constructors of tensors.
@@ -11,6 +13,8 @@ import PhysLean.Relativity.Tensors.Contraction.Products
 There are a number of ways to construct explicit tensors.
 -/
 
+@[expose] public section
+
 open Module IndexNotation
 open CategoryTheory
 open MonoidalCategory
@@ -192,7 +196,8 @@ lemma actionT_fromPairT {c1 c2 : C}
 
 lemma fromPairT_map_right {c1 c2 c2' : C} (h :c2 = c2')
     (x : (S.FD.obj (Discrete.mk c1)).V ⊗[k] (S.FD.obj (Discrete.mk c2)).V) :
-    fromPairT (TensorProduct.map LinearMap.id (S.FD.map (eqToHom (by rw [h]))).hom.hom' x) =
+    fromPairT (TensorProduct.map LinearMap.id
+    (S.FD.map (eqToHom (congrArg Discrete.mk h))).hom.hom' x) =
     permT id (by simp [h])
     (fromPairT x) := by
   let P (x : (S.FD.obj (Discrete.mk c1)).V ⊗[k] (S.FD.obj (Discrete.mk c2)).V) : Prop :=
diff --git a/PhysLean/Relativity/Tensors/Contraction/Basic.lean b/PhysLean/Relativity/Tensors/Contraction/Basic.lean
index 159bc74e1..55967bdfa 100644
--- a/PhysLean/Relativity/Tensors/Contraction/Basic.lean
+++ b/PhysLean/Relativity/Tensors/Contraction/Basic.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Contraction.Pure
+module
+
+public import PhysLean.Relativity.Tensors.Contraction.Pure
 /-!
 
 # Contractions on tensors
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/Contraction/Basis.lean b/PhysLean/Relativity/Tensors/Contraction/Basis.lean
index 7f254819d..911164e3d 100644
--- a/PhysLean/Relativity/Tensors/Contraction/Basis.lean
+++ b/PhysLean/Relativity/Tensors/Contraction/Basis.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Contraction.Basic
+module
+
+public import PhysLean.Relativity.Tensors.Contraction.Basic
 /-!
 
 # Contractions on basis tensors
 
 -/
 
+@[expose] public section
+
 open IndexNotation CategoryTheory MonoidalCategory Module
 
 namespace TensorSpecies
@@ -68,7 +72,7 @@ def ofFin {n : ℕ} {c : Fin (n + 1 + 1) → C}
   if hi : m = i then Fin.cast (by subst hi; rfl) x.1
   else if hj : m = j then Fin.cast (by subst hj; rfl) x.2
   else
-    Fin.cast (by simp; rw [Pure.dropPairEmb_dropPairEmbPre])
+    Fin.cast (by simp)
     (b (Pure.dropPairEmbPre i j hij m (by omega)))
 
 @[simp]
diff --git a/PhysLean/Relativity/Tensors/Contraction/Products.lean b/PhysLean/Relativity/Tensors/Contraction/Products.lean
index 4e0c53213..329566377 100644
--- a/PhysLean/Relativity/Tensors/Contraction/Products.lean
+++ b/PhysLean/Relativity/Tensors/Contraction/Products.lean
@@ -3,14 +3,18 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Contraction.Basic
-import PhysLean.Relativity.Tensors.Product
+module
+
+public import PhysLean.Relativity.Tensors.Contraction.Basic
+public import PhysLean.Relativity.Tensors.Product
 /-!
 
 # The interaction of contractions and products
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/Contraction/Pure.lean b/PhysLean/Relativity/Tensors/Contraction/Pure.lean
index 865f11088..53ea1a490 100644
--- a/PhysLean/Relativity/Tensors/Contraction/Pure.lean
+++ b/PhysLean/Relativity/Tensors/Contraction/Pure.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Basic
+module
+
+public import PhysLean.Relativity.Tensors.Basic
 /-!
 
 # Contractions on pure tensors
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/Dual.lean b/PhysLean/Relativity/Tensors/Dual.lean
index e6d10b2dc..980933ea1 100644
--- a/PhysLean/Relativity/Tensors/Dual.lean
+++ b/PhysLean/Relativity/Tensors/Dual.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.MetricTensor
+module
+
+public import PhysLean.Relativity.Tensors.MetricTensor
 /-!
 
 # Dual tensors
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/Elab.lean b/PhysLean/Relativity/Tensors/Elab.lean
index 186c230d9..55ecacff6 100644
--- a/PhysLean/Relativity/Tensors/Elab.lean
+++ b/PhysLean/Relativity/Tensors/Elab.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Contraction.Basic
-import PhysLean.Relativity.Tensors.Evaluation
-import PhysLean.Relativity.Tensors.Tensorial
+module
+
+public import PhysLean.Relativity.Tensors.Contraction.Basic
+public import PhysLean.Relativity.Tensors.Evaluation
+public import PhysLean.Relativity.Tensors.Tensorial
 /-!
 
 # Elaboration of tensor expressions
@@ -49,6 +51,8 @@ import PhysLean.Relativity.Tensors.Tensorial
   this information.
 
 -/
+
+@[expose] public meta section
 open Lean Meta Elab Tactic Term
 namespace TensorSpecies
 namespace Tensor
diff --git a/PhysLean/Relativity/Tensors/Evaluation.lean b/PhysLean/Relativity/Tensors/Evaluation.lean
index 12bac69eb..baf8e1443 100644
--- a/PhysLean/Relativity/Tensors/Evaluation.lean
+++ b/PhysLean/Relativity/Tensors/Evaluation.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Basic
+module
+
+public import PhysLean.Relativity.Tensors.Basic
 /-!
 
 # Evaluation of tensor indices
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/MetricTensor.lean b/PhysLean/Relativity/Tensors/MetricTensor.lean
index e7e9ca33b..173aa9cd8 100644
--- a/PhysLean/Relativity/Tensors/MetricTensor.lean
+++ b/PhysLean/Relativity/Tensors/MetricTensor.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.UnitTensor
+module
+
+public import PhysLean.Relativity.Tensors.UnitTensor
 /-!
 
 # The metric tensors
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
@@ -62,7 +66,7 @@ lemma fromPairTContr_metric_metric_eq_permT_unit {c : C} :
 lemma contrT_metricTensor_metricTensor {c : C} :
     contrT 2 1 2 (by simp; rfl) (prodT (metricTensor c) (metricTensor (S.τ c))) =
       permT ![1, 0] (And.intro (by decide) (fun i => by fin_cases i <;> rfl))
-      (unitTensor c) := by
+      (unitTensor (S := S) c) := by
   rw [metricTensor, metricTensor, fromConstPair, fromConstPair]
   rw [fromPairT_contr_fromPairT_eq_fromPairTContr]
   erw [fromPairTContr_metric_metric_eq_permT_unit]
@@ -76,7 +80,7 @@ lemma contrT_metricTensor_metricTensor_eq_dual_unit {c : C} :
         · change S.τ (S.τ c) = c
           simp
         · rfl))
-      (unitTensor (S.τ c)) := by
+      (unitTensor (S := S) (S.τ c)) := by
   rw [contrT_metricTensor_metricTensor]
   rw [unitTensor_eq_permT_dual]
   rw [permT_permT]
@@ -88,7 +92,7 @@ lemma contrT_metricTensor_metricTensor_eq_dual_unit {c : C} :
 lemma contrT_dual_metricTensor_metricTensor {c : C} :
     contrT 2 1 2 (by change _ ∧ S.τ (S.τ c) = c; simp)
       (prodT (metricTensor (S.τ c)) (metricTensor c)) =
-      permT id (by simp; exact ⟨rfl,rfl⟩) (unitTensor c) := by
+      permT id (by simp; exact ⟨rfl,rfl⟩) (unitTensor (S := S) c) := by
   have hm := S.metricTensor_congr (by simp : c = S.τ (S.τ c))
   rw [hm]
   rw [prodT_permT_right, contrT_permT]
diff --git a/PhysLean/Relativity/Tensors/OfInt.lean b/PhysLean/Relativity/Tensors/OfInt.lean
index 3360719a2..d641a732d 100644
--- a/PhysLean/Relativity/Tensors/OfInt.lean
+++ b/PhysLean/Relativity/Tensors/OfInt.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Basic
+module
+
+public import PhysLean.Relativity.Tensors.Basic
 /-!
 
 # Basis for tensors in a tensor species
 
 -/
 
+@[expose] public section
+
 open Module IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/Product.lean b/PhysLean/Relativity/Tensors/Product.lean
index a1a2d2bdc..2d04a118d 100644
--- a/PhysLean/Relativity/Tensors/Product.lean
+++ b/PhysLean/Relativity/Tensors/Product.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Basic
+module
+
+public import PhysLean.Relativity.Tensors.Basic
 /-!
 
 # The product of tensors
@@ -70,6 +72,8 @@ The following results exist for both `prodP` and `prodT` :
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Basic.lean b/PhysLean/Relativity/Tensors/RealTensor/Basic.lean
index d5797bd5c..541026fc2 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Basic.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Metrics.Pre
-import PhysLean.Relativity.Tensors.Contraction.Basis
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Metrics.Pre
+public import PhysLean.Relativity.Tensors.Contraction.Basis
 /-!
 
 ## Real Lorentz tensors
@@ -13,6 +15,8 @@ Within this directory `Pre` is used to denote that the definitions are prelimina
 which are used to define `realLorentzTensor`.
 
 -/
+
+@[expose] public section
 open Matrix
 open MatrixGroups
 open Complex
diff --git a/PhysLean/Relativity/Tensors/RealTensor/CoVector/Basic.lean b/PhysLean/Relativity/Tensors/RealTensor/CoVector/Basic.lean
index 61a1abb45..eae4f545e 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/CoVector/Basic.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/CoVector/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Metrics.Basic
-import Mathlib.Geometry.Manifold.IsManifold.Basic
-import PhysLean.Relativity.Tensors.Elab
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Metrics.Basic
+public import Mathlib.Geometry.Manifold.IsManifold.Basic
+public import PhysLean.Relativity.Tensors.Elab
 /-!
 
 # Lorentz co vectors
@@ -14,6 +16,8 @@ In this module we define Lorentz vectors as real Lorentz tensors with a single u
 We create an API around Lorentz vectors to make working with them as easy as possible.
 
 -/
+
+@[expose] public section
 open Module IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Derivative.lean b/PhysLean/Relativity/Tensors/RealTensor/Derivative.lean
index bb870a8f3..91cb057db 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Derivative.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Derivative.lean
@@ -3,12 +3,16 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.ComplexTensor.Basic
+module
+
+public import PhysLean.Relativity.Tensors.ComplexTensor.Basic
 /-!
 
 ## Derivative of Real Lorentz tensors
 
 -/
+
+@[expose] public section
 open Matrix
 open TensorProduct
 open TensorSpecies
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Matrix/Pre.lean b/PhysLean/Relativity/Tensors/RealTensor/Matrix/Pre.lean
index 14822a09c..2efd4d1b5 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Matrix/Pre.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Matrix/Pre.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Basic
-import Mathlib.LinearAlgebra.TensorProduct.Matrix
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Basic
+public import Mathlib.LinearAlgebra.TensorProduct.Matrix
 /-!
 
 # Tensor products of two real Lorentz vectors
 
 -/
+
+@[expose] public section
 noncomputable section
 
 open Matrix Module MatrixGroups Complex TensorProduct CategoryTheory.MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Metrics/Basic.lean b/PhysLean/Relativity/Tensors/RealTensor/Metrics/Basic.lean
index f8a8c2384..6855a8e83 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Metrics/Basic.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Metrics/Basic.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Basic
-import PhysLean.Relativity.Tensors.MetricTensor
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Basic
+public import PhysLean.Relativity.Tensors.MetricTensor
 /-!
 
 ## Metrics as real Lorentz tensors
 
 -/
+
+@[expose] public section
 open Module IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Metrics/Pre.lean b/PhysLean/Relativity/Tensors/RealTensor/Metrics/Pre.lean
index 676693d75..7986bd2ee 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Metrics/Pre.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Metrics/Pre.lean
@@ -3,12 +3,16 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Units.Pre
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Units.Pre
 /-!
 
 # Metric for real Lorentz vectors
 
 -/
+
+@[expose] public section
 noncomputable section
 
 open Module Matrix MatrixGroups Complex TensorProduct CategoryTheory.MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/RealTensor/ToComplex.lean b/PhysLean/Relativity/Tensors/RealTensor/ToComplex.lean
index 5cd280b2e..8d8aa92d0 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/ToComplex.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/ToComplex.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Linters.Sorry
-import PhysLean.Relativity.Tensors.ComplexTensor.Basic
+module
+
+public import PhysLean.Meta.Linters.Sorry
+public import PhysLean.Relativity.Tensors.ComplexTensor.Basic
 /-!
 
 # Complex Lorentz tensors from real Lorentz tensors
@@ -58,6 +60,8 @@ complex Lorentz tensors.
 
 -/
 
+@[expose] public section
+
 namespace realLorentzTensor
 
 open Module TensorSpecies
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Units/Pre.lean b/PhysLean/Relativity/Tensors/RealTensor/Units/Pre.lean
index 0df4fcf08..769375010 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Units/Pre.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Units/Pre.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Matrix.Pre
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Contraction
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Matrix.Pre
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Contraction
 /-!
 
 # Unit for complex Lorentz vectors
 
 -/
+
+@[expose] public section
 noncomputable section
 
 open Module Matrix MatrixGroups Complex TensorProduct CategoryTheory.MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/Basic.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/Basic.lean
index 699bb2ea5..76b26dd8b 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/Basic.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Metrics.Basic
-import PhysLean.Relativity.Tensors.Elab
-import Mathlib.Geometry.Manifold.IsManifold.Basic
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Metrics.Basic
+public import PhysLean.Relativity.Tensors.Elab
+public import Mathlib.Geometry.Manifold.IsManifold.Basic
 /-!
 
 # Lorentz Vectors
@@ -14,6 +16,8 @@ In this module we define Lorentz vectors as real Lorentz tensors with a single u
 We create an API around Lorentz vectors to make working with them as easy as possible.
 
 -/
+
+@[expose] public section
 open Module IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/Basic.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/Basic.lean
index 5d52264df..c756348c7 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/Basic.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/Basic.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
 /-!
 
 ## Causality of Lorentz vectors
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace Lorentz
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/LightLike.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/LightLike.lean
index c58ee64eb..5bf0959fa 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/LightLike.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/LightLike.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
 
 /-!
 
@@ -11,6 +13,8 @@ import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
 
 -/
 
+@[expose] public section
+
 noncomputable section
 namespace Lorentz
 open realLorentzTensor
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/TimeLike.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/TimeLike.lean
index cd62e135b..41a5a4010 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/TimeLike.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/Causality/TimeLike.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
 
 /-!
 
@@ -11,6 +13,8 @@ import PhysLean.Relativity.Tensors.RealTensor.Vector.Causality.Basic
 
 -/
 
+@[expose] public section
+
 noncomputable section
 namespace Lorentz
 open realLorentzTensor
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/MinkowskiProduct.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/MinkowskiProduct.lean
index 8f9d9bcf5..b669bc63a 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/MinkowskiProduct.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/MinkowskiProduct.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Basic
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Basic
 /-!
 
 # Minkowski product on Lorentz vectors
@@ -11,6 +13,8 @@ import PhysLean.Relativity.Tensors.RealTensor.Vector.Basic
 In this module we define and create an API around the Minkowski product on Lorentz vectors.
 
 -/
+
+@[expose] public section
 open Module IndexNotation
 open Matrix
 open MatrixGroups
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Basic.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Basic.lean
index c57dd4299..d5dd4c81f 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Basic.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Modules
-import Mathlib.RepresentationTheory.Rep
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Modules
+public import Mathlib.RepresentationTheory.Rep
 /-!
 
 # Real Lorentz vectors
@@ -13,6 +15,8 @@ We define real Lorentz vectors in as representations of the Lorentz group.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 open Matrix Module MatrixGroups Complex TensorProduct
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Contraction.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Contraction.lean
index 6725a2204..895cb0616 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Contraction.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Contraction.lean
@@ -3,13 +3,17 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Basic
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.Pre.Basic
 /-!
 
 # Contraction of Real Lorentz vectors
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 open Matrix
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Modules.lean b/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Modules.lean
index 3e3bc43c9..91bb93909 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Modules.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Vector/Pre/Modules.lean
@@ -3,10 +3,12 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.PauliMatrices.SelfAdjoint
-import Mathlib.RepresentationTheory.Basic
-import PhysLean.Relativity.LorentzGroup.Basic
-import Mathlib.Analysis.InnerProductSpace.PiL2
+module
+
+public import PhysLean.Relativity.PauliMatrices.SelfAdjoint
+public import Mathlib.RepresentationTheory.Basic
+public import PhysLean.Relativity.LorentzGroup.Basic
+public import Mathlib.Analysis.InnerProductSpace.PiL2
 /-!
 
 ## Modules associated with Real Lorentz vectors
@@ -18,6 +20,8 @@ These definitions are preludes to the definitions of
 
 -/
 
+@[expose] public section
+
 namespace Lorentz
 
 noncomputable section
diff --git a/PhysLean/Relativity/Tensors/RealTensor/Velocity/Basic.lean b/PhysLean/Relativity/Tensors/RealTensor/Velocity/Basic.lean
index 46cbe1331..b543fc349 100644
--- a/PhysLean/Relativity/Tensors/RealTensor/Velocity/Basic.lean
+++ b/PhysLean/Relativity/Tensors/RealTensor/Velocity/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
 /-!
 
 # Lorentz Velocities
@@ -13,6 +15,8 @@ Lorentz vectors which have norm equal to one and which are future-directed.
 
 -/
 
+@[expose] public section
+
 open TensorProduct
 
 namespace Lorentz
diff --git a/PhysLean/Relativity/Tensors/TensorSpecies/Basic.lean b/PhysLean/Relativity/Tensors/TensorSpecies/Basic.lean
index 2888e9b97..8de6bb42d 100644
--- a/PhysLean/Relativity/Tensors/TensorSpecies/Basic.lean
+++ b/PhysLean/Relativity/Tensors/TensorSpecies/Basic.lean
@@ -3,8 +3,10 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Color.Discrete
-import PhysLean.Relativity.Tensors.Color.Lift
+module
+
+public import PhysLean.Relativity.Tensors.Color.Discrete
+public import PhysLean.Relativity.Tensors.Color.Lift
 /-!
 
 # Tensor species
@@ -17,6 +19,8 @@ import PhysLean.Relativity.Tensors.Color.Lift
 
 -/
 
+@[expose] public section
+
 open IndexNotation CategoryTheory Module MonoidalCategory
 
 /-- The structure `TensorSpecies` contains the necessary structure needed to define
diff --git a/PhysLean/Relativity/Tensors/Tensorial.lean b/PhysLean/Relativity/Tensors/Tensorial.lean
index 646c2f480..4480e4adc 100644
--- a/PhysLean/Relativity/Tensors/Tensorial.lean
+++ b/PhysLean/Relativity/Tensors/Tensorial.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Product
-import Mathlib.Topology.Algebra.Module.FiniteDimension
+module
+
+public import PhysLean.Relativity.Tensors.Product
+public import Mathlib.Topology.Algebra.Module.FiniteDimension
 /-!
 
 # Tensorial class
@@ -52,6 +54,8 @@ There are no known references for this material.
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/Relativity/Tensors/UnitTensor.lean b/PhysLean/Relativity/Tensors/UnitTensor.lean
index 9bbea0c8a..ea2cfd588 100644
--- a/PhysLean/Relativity/Tensors/UnitTensor.lean
+++ b/PhysLean/Relativity/Tensors/UnitTensor.lean
@@ -3,13 +3,17 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.Constructors
+module
+
+public import PhysLean.Relativity.Tensors.Constructors
 /-!
 
 # The unit tensors
 
 -/
 
+@[expose] public section
+
 open IndexNotation
 open CategoryTheory
 open MonoidalCategory
diff --git a/PhysLean/SpaceAndTime/Space/Basic.lean b/PhysLean/SpaceAndTime/Space/Basic.lean
index 01c396911..a5cf96d16 100644
--- a/PhysLean/SpaceAndTime/Space/Basic.lean
+++ b/PhysLean/SpaceAndTime/Space/Basic.lean
@@ -3,13 +3,15 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.Informal.Basic
-import PhysLean.Meta.TODO.Basic
-import PhysLean.Meta.Linters.Sorry
-import Mathlib.Topology.ContinuousMap.CompactlySupported
-import Mathlib.Geometry.Manifold.IsManifold.Basic
-import Mathlib.MeasureTheory.Measure.Lebesgue.VolumeOfBalls
-import Mathlib.Analysis.InnerProductSpace.Calculus
+module
+
+public import PhysLean.Meta.Informal.Basic
+public import PhysLean.Meta.TODO.Basic
+public import PhysLean.Meta.Linters.Sorry
+public import Mathlib.Topology.ContinuousMap.CompactlySupported
+public import Mathlib.Geometry.Manifold.IsManifold.Basic
+public import Mathlib.MeasureTheory.Measure.Lebesgue.VolumeOfBalls
+public import Mathlib.Analysis.InnerProductSpace.Calculus
 /-!
 
 # Space
@@ -70,6 +72,8 @@ the `VAdd (EuclideanSpace ℝ (Fin d)) (Space d)` instance instead.
 
 -/
 
+@[expose] public section
+
 /-!
 
 ## A. The `Space` type
diff --git a/PhysLean/SpaceAndTime/Space/ConstantSliceDist.lean b/PhysLean/SpaceAndTime/Space/ConstantSliceDist.lean
index 7ffce0503..3f1f77332 100644
--- a/PhysLean/SpaceAndTime/Space/ConstantSliceDist.lean
+++ b/PhysLean/SpaceAndTime/Space/ConstantSliceDist.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Slice
+module
+
+public import PhysLean.SpaceAndTime.Space.Slice
 /-!
 
 # Constant slice distributions
@@ -43,6 +45,8 @@ lines and planes, rather then points.
 ## iv. References
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal
 noncomputable section
 
diff --git a/PhysLean/SpaceAndTime/Space/CrossProduct.lean b/PhysLean/SpaceAndTime/Space/CrossProduct.lean
index ddba5156a..03e822758 100644
--- a/PhysLean/SpaceAndTime/Space/CrossProduct.lean
+++ b/PhysLean/SpaceAndTime/Space/CrossProduct.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Zhi Kai Pong. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith
 -/
-import Mathlib.LinearAlgebra.CrossProduct
-import PhysLean.SpaceAndTime.Time.Derivatives
+module
+
+public import Mathlib.LinearAlgebra.CrossProduct
+public import PhysLean.SpaceAndTime.Time.Derivatives
 /-!
 
 # The cross product on Euclidean vectors in three dimensions
@@ -33,6 +35,8 @@ and prove various properties about it related to time derivatives and inner prod
 
 -/
 
+@[expose] public section
+
 namespace Space
 open Time Matrix
 
diff --git a/PhysLean/SpaceAndTime/Space/Derivatives/Basic.lean b/PhysLean/SpaceAndTime/Space/Derivatives/Basic.lean
index d71e37243..4d0efb353 100644
--- a/PhysLean/SpaceAndTime/Space/Derivatives/Basic.lean
+++ b/PhysLean/SpaceAndTime/Space/Derivatives/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith, Lode Vermeulen
 -/
-import Mathlib.Analysis.Calculus.FDeriv.Symmetric
-import Mathlib.Analysis.Calculus.Gradient.Basic
-import PhysLean.SpaceAndTime.Space.DistOfFunction
-import Mathlib.Geometry.Manifold.MFDeriv.FDeriv
+module
+
+public import Mathlib.Analysis.Calculus.FDeriv.Symmetric
+public import Mathlib.Analysis.Calculus.Gradient.Basic
+public import PhysLean.SpaceAndTime.Space.DistOfFunction
+public import Mathlib.Geometry.Manifold.MFDeriv.FDeriv
 /-!
 
 # Derivatives on Space
@@ -49,6 +51,8 @@ in the standard directions.
 
 -/
 
+@[expose] public section
+
 namespace Space
 
 /-!
diff --git a/PhysLean/SpaceAndTime/Space/Derivatives/Curl.lean b/PhysLean/SpaceAndTime/Space/Derivatives/Curl.lean
index 3b29816ab..f788b684e 100644
--- a/PhysLean/SpaceAndTime/Space/Derivatives/Curl.lean
+++ b/PhysLean/SpaceAndTime/Space/Derivatives/Curl.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith, Lode Vermeulen
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Laplacian
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Laplacian
 /-!
 
 # Curl on Space
@@ -42,6 +44,8 @@ We also prove some basic vector-identities involving of the curl operator.
 
 -/
 
+@[expose] public section
+
 namespace Space
 
 /-!
diff --git a/PhysLean/SpaceAndTime/Space/Derivatives/Div.lean b/PhysLean/SpaceAndTime/Space/Derivatives/Div.lean
index f3105cac5..8124220a1 100644
--- a/PhysLean/SpaceAndTime/Space/Derivatives/Div.lean
+++ b/PhysLean/SpaceAndTime/Space/Derivatives/Div.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith, Lode Vermeulen
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Grad
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Grad
 /-!
 
 # Divergence on Space
@@ -36,6 +38,8 @@ properties about it.
 
 -/
 
+@[expose] public section
+
 namespace Space
 
 variable {W} [NormedAddCommGroup W] [NormedSpace ℝ W]
diff --git a/PhysLean/SpaceAndTime/Space/Derivatives/Grad.lean b/PhysLean/SpaceAndTime/Space/Derivatives/Grad.lean
index 6eae8e3a9..db4bfaaf6 100644
--- a/PhysLean/SpaceAndTime/Space/Derivatives/Grad.lean
+++ b/PhysLean/SpaceAndTime/Space/Derivatives/Grad.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith, Lode Vermeulen
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Basic
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Basic
 /-!
 
 # Gradient of functions and distributions on `Space d`
@@ -48,6 +50,8 @@ of the input function with respect to each spatial coordinate.
 
 -/
 
+@[expose] public section
+
 namespace Space
 
 /-!
diff --git a/PhysLean/SpaceAndTime/Space/Derivatives/Laplacian.lean b/PhysLean/SpaceAndTime/Space/Derivatives/Laplacian.lean
index f0d71413c..486bde5a4 100644
--- a/PhysLean/SpaceAndTime/Space/Derivatives/Laplacian.lean
+++ b/PhysLean/SpaceAndTime/Space/Derivatives/Laplacian.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith, Lode Vermeulen
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Div
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Div
 /-!
 
 # The Laplacian operator on `Space d`
@@ -28,6 +30,8 @@ functions defined on `Space d`.
 
 -/
 
+@[expose] public section
+
 namespace Space
 
 /-!
diff --git a/PhysLean/SpaceAndTime/Space/DistConst.lean b/PhysLean/SpaceAndTime/Space/DistConst.lean
index 72f9b6bb5..af8247e9b 100644
--- a/PhysLean/SpaceAndTime/Space/DistConst.lean
+++ b/PhysLean/SpaceAndTime/Space/DistConst.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Curl
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Curl
 /-!
 
 # The constant distribution on space
@@ -28,6 +30,8 @@ We show that the derivatives of this constant distribution are zero.
 
 -/
 
+@[expose] public section
+
 namespace Space
 open Distribution
 
diff --git a/PhysLean/SpaceAndTime/Space/DistOfFunction.lean b/PhysLean/SpaceAndTime/Space/DistOfFunction.lean
index 5e86d651f..471ad1fa6 100644
--- a/PhysLean/SpaceAndTime/Space/DistOfFunction.lean
+++ b/PhysLean/SpaceAndTime/Space/DistOfFunction.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.IsDistBounded
-import Mathlib.MeasureTheory.SpecificCodomains.WithLp
+module
+
+public import PhysLean.SpaceAndTime.Space.IsDistBounded
+public import Mathlib.MeasureTheory.SpecificCodomains.WithLp
 /-!
 
 # Distributions from functions on space
@@ -32,6 +34,8 @@ to reference the underlying Schwartz maps.
 ## iv. References
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal
 noncomputable section
 
diff --git a/PhysLean/SpaceAndTime/Space/Integrals/Basic.lean b/PhysLean/SpaceAndTime/Space/Integrals/Basic.lean
index 3a005b363..d793e7250 100644
--- a/PhysLean/SpaceAndTime/Space/Integrals/Basic.lean
+++ b/PhysLean/SpaceAndTime/Space/Integrals/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2026 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Module
+module
+
+public import PhysLean.SpaceAndTime.Space.Module
 /-!
 
 # Integrals in Space
@@ -27,6 +29,8 @@ We focus here on the volume measure, which is the usual measure on `Space d`, i.
 
 -/
 
+@[expose] public section
+
 namespace Space
 
 open InnerProductSpace MeasureTheory
diff --git a/PhysLean/SpaceAndTime/Space/Integrals/RadialAngularMeasure.lean b/PhysLean/SpaceAndTime/Space/Integrals/RadialAngularMeasure.lean
index dba7385a9..88cc214a5 100644
--- a/PhysLean/SpaceAndTime/Space/Integrals/RadialAngularMeasure.lean
+++ b/PhysLean/SpaceAndTime/Space/Integrals/RadialAngularMeasure.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Mathematics.Distribution.Basic
-import PhysLean.SpaceAndTime.Space.Integrals.Basic
+module
+
+public import PhysLean.Mathematics.Distribution.Basic
+public import PhysLean.SpaceAndTime.Space.Integrals.Basic
 /-!
 
 # The radial angular measure on Space
@@ -36,6 +38,8 @@ This file is equivalent to `invPowMeasure`, which will slowly be deprecated.
 ## iv. References
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal Real
 noncomputable section
 
diff --git a/PhysLean/SpaceAndTime/Space/IsDistBounded.lean b/PhysLean/SpaceAndTime/Space/IsDistBounded.lean
index 98002f54c..f888e5e5b 100644
--- a/PhysLean/SpaceAndTime/Space/IsDistBounded.lean
+++ b/PhysLean/SpaceAndTime/Space/IsDistBounded.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Integrals.RadialAngularMeasure
-import PhysLean.SpaceAndTime.Time.Derivatives
-import Mathlib.Tactic.Cases
+module
+
+public import PhysLean.SpaceAndTime.Space.Integrals.RadialAngularMeasure
+public import PhysLean.SpaceAndTime.Time.Derivatives
+public import Mathlib.Tactic.Cases
 /-!
 
 # Functions on `Space d` which can be made into distributions
@@ -59,6 +61,8 @@ of the space.
 ## iv. References
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal
 noncomputable section
 
diff --git a/PhysLean/SpaceAndTime/Space/LengthUnit.lean b/PhysLean/SpaceAndTime/Space/LengthUnit.lean
index b034cf59e..20eeffb3f 100644
--- a/PhysLean/SpaceAndTime/Space/LengthUnit.lean
+++ b/PhysLean/SpaceAndTime/Space/LengthUnit.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Geometry.Manifold.Diffeomorph
-import PhysLean.SpaceAndTime.Time.Basic
+module
+
+public import Mathlib.Geometry.Manifold.Diffeomorph
+public import PhysLean.SpaceAndTime.Time.Basic
 /-!
 
 # Units on Length
@@ -23,6 +25,8 @@ existence of the length unit of meters, and construct all other length units fro
 
 -/
 
+@[expose] public section
+
 /-- The choices of translationally-invariant metrics on the space-manifold.
   Such a choice corresponds to a choice of units for length. -/
 structure LengthUnit where
diff --git a/PhysLean/SpaceAndTime/Space/Module.lean b/PhysLean/SpaceAndTime/Space/Module.lean
index 472d178cb..545b568d0 100644
--- a/PhysLean/SpaceAndTime/Space/Module.lean
+++ b/PhysLean/SpaceAndTime/Space/Module.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Basic
+module
+
+public import PhysLean.SpaceAndTime.Space.Basic
 /-!
 
 # The structure of a module on Space
@@ -16,6 +18,8 @@ of a zero and for a basis, a choice of orientation.
 
 -/
 
+@[expose] public section
+
 namespace Space
 
 /-!
diff --git a/PhysLean/SpaceAndTime/Space/Norm.lean b/PhysLean/SpaceAndTime/Space/Norm.lean
index 1fcbc4778..077a16d60 100644
--- a/PhysLean/SpaceAndTime/Space/Norm.lean
+++ b/PhysLean/SpaceAndTime/Space/Norm.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Div
-import Mathlib.Analysis.InnerProductSpace.NormPow
-import Mathlib.Analysis.Calculus.FDeriv.Norm
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Div
+public import Mathlib.Analysis.InnerProductSpace.NormPow
+public import Mathlib.Analysis.Calculus.FDeriv.Norm
 /-!
 
 # The norm on space
@@ -54,6 +56,8 @@ We use properties of this power series to prove various results about distributi
 ## iv. References
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal
 noncomputable section
 
diff --git a/PhysLean/SpaceAndTime/Space/Slice.lean b/PhysLean/SpaceAndTime/Space/Slice.lean
index 885ac77f8..3ff1ac08b 100644
--- a/PhysLean/SpaceAndTime/Space/Slice.lean
+++ b/PhysLean/SpaceAndTime/Space/Slice.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Calculus.ContDiff.FiniteDimension
-import PhysLean.SpaceAndTime.Space.Derivatives.Basic
+module
+
+public import Mathlib.Analysis.Calculus.ContDiff.FiniteDimension
+public import PhysLean.SpaceAndTime.Space.Derivatives.Basic
 /-!
 
 # Slices of space
@@ -33,6 +35,8 @@ extracts the `i`th coordinate on `Space d.succ`.
 - https://leanprover.zulipchat.com/#narrow/channel/479953-PhysLean/topic/API.20around.20.60Space.20.28d1.20.2B.20d2.29.60.20to.20.60Space.20d1.20x.20Space.20d2.60/with/556754634
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal
 noncomputable section
 
diff --git a/PhysLean/SpaceAndTime/Space/Translations.lean b/PhysLean/SpaceAndTime/Space/Translations.lean
index 1a798fe4d..06abb450e 100644
--- a/PhysLean/SpaceAndTime/Space/Translations.lean
+++ b/PhysLean/SpaceAndTime/Space/Translations.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Curl
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Curl
 /-!
 
 # Translations on space
@@ -13,6 +15,8 @@ Translations for part of the Poincaré group.
 
 -/
 
+@[expose] public section
+
 section
 
 variable
diff --git a/PhysLean/SpaceAndTime/SpaceTime/Basic.lean b/PhysLean/SpaceAndTime/SpaceTime/Basic.lean
index 24420d5b1..5caf751a5 100644
--- a/PhysLean/SpaceAndTime/SpaceTime/Basic.lean
+++ b/PhysLean/SpaceAndTime/SpaceTime/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
-import PhysLean.Relativity.SpeedOfLight
-import PhysLean.SpaceAndTime.Time.Basic
-import PhysLean.SpaceAndTime.Space.Integrals.Basic
+module
+
+public import PhysLean.Relativity.Tensors.RealTensor.Vector.MinkowskiProduct
+public import PhysLean.Relativity.SpeedOfLight
+public import PhysLean.SpaceAndTime.Time.Basic
+public import PhysLean.SpaceAndTime.Space.Integrals.Basic
 /-!
 # Spacetime
 
@@ -61,6 +63,8 @@ allowing it to be used in tensorial expressions.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 /-!
diff --git a/PhysLean/SpaceAndTime/SpaceTime/Boosts.lean b/PhysLean/SpaceAndTime/SpaceTime/Boosts.lean
index ffc56dd96..d55afd84b 100644
--- a/PhysLean/SpaceAndTime/SpaceTime/Boosts.lean
+++ b/PhysLean/SpaceAndTime/SpaceTime/Boosts.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Relativity.LorentzGroup.Boosts.Basic
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.Mathematics.FDerivCurry
+module
+
+public import PhysLean.Relativity.LorentzGroup.Boosts.Basic
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.Mathematics.FDerivCurry
 /-!
 
 # Boosts of space time
@@ -32,6 +34,8 @@ See e.g.
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace SpaceTime
diff --git a/PhysLean/SpaceAndTime/SpaceTime/Derivatives.lean b/PhysLean/SpaceAndTime/SpaceTime/Derivatives.lean
index b969a6abe..5fda872b2 100644
--- a/PhysLean/SpaceAndTime/SpaceTime/Derivatives.lean
+++ b/PhysLean/SpaceAndTime/SpaceTime/Derivatives.lean
@@ -3,9 +3,11 @@ Copyright (c) 2024 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.LorentzAction
-import PhysLean.Relativity.Tensors.RealTensor.CoVector.Basic
-import Mathlib.Analysis.InnerProductSpace.TensorProduct
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.LorentzAction
+public import PhysLean.Relativity.Tensors.RealTensor.CoVector.Basic
+public import Mathlib.Analysis.InnerProductSpace.TensorProduct
 /-!
 
 # Derivatives on SpaceTime
@@ -42,6 +44,8 @@ distributions on `SpaceTime d`.
 ## iv. References
 
 -/
+
+@[expose] public section
 noncomputable section
 
 namespace SpaceTime
diff --git a/PhysLean/SpaceAndTime/SpaceTime/LorentzAction.lean b/PhysLean/SpaceAndTime/SpaceTime/LorentzAction.lean
index ec55b2f5d..ac375c68a 100644
--- a/PhysLean/SpaceAndTime/SpaceTime/LorentzAction.lean
+++ b/PhysLean/SpaceAndTime/SpaceTime/LorentzAction.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Basic
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Basic
 /-!
 
 # Lorentz group actions related to SpaceTime
@@ -34,6 +36,8 @@ we define the induced action on Schwartz functions and distributions.
 ## iv. References
 
 -/
+
+@[expose] public section
 noncomputable section
 
 namespace SpaceTime
diff --git a/PhysLean/SpaceAndTime/SpaceTime/TimeSlice.lean b/PhysLean/SpaceAndTime/SpaceTime/TimeSlice.lean
index 9b1ac246b..96ec5c0d9 100644
--- a/PhysLean/SpaceAndTime/SpaceTime/TimeSlice.lean
+++ b/PhysLean/SpaceAndTime/SpaceTime/TimeSlice.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.Derivatives
-import PhysLean.SpaceAndTime.TimeAndSpace.Basic
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.Mathematics.FDerivCurry
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.Derivatives
+public import PhysLean.SpaceAndTime.TimeAndSpace.Basic
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.Mathematics.FDerivCurry
 /-!
 # Time slice
 
@@ -18,6 +20,8 @@ to non-relativistic physics (defined using `Space` and `Time`).
 
 -/
 
+@[expose] public section
+
 noncomputable section
 
 namespace SpaceTime
diff --git a/PhysLean/SpaceAndTime/Time/Basic.lean b/PhysLean/SpaceAndTime/Time/Basic.lean
index a700d8292..673accff7 100644
--- a/PhysLean/SpaceAndTime/Time/Basic.lean
+++ b/PhysLean/SpaceAndTime/Time/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Basic
+module
+
+public import PhysLean.SpaceAndTime.Space.Basic
 /-!
 # Time
 
@@ -60,6 +62,8 @@ or origin.
 
 -/
 
+@[expose] public section
+
 /-!
 
 ## A. The definition of `Time`
diff --git a/PhysLean/SpaceAndTime/Time/Derivatives.lean b/PhysLean/SpaceAndTime/Time/Derivatives.lean
index cff90407e..2b6d3db9b 100644
--- a/PhysLean/SpaceAndTime/Time/Derivatives.lean
+++ b/PhysLean/SpaceAndTime/Time/Derivatives.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.SpaceTime.Basic
+module
+
+public import PhysLean.SpaceAndTime.SpaceTime.Basic
 /-!
 
 # Time Derivatives
@@ -28,6 +30,8 @@ In this module we define and prove basic lemmas about derivatives of functions o
 
 -/
 
+@[expose] public section
+
 namespace Time
 
 variable {M : Type} {d : ℕ} {t : Time}
diff --git a/PhysLean/SpaceAndTime/Time/TimeMan.lean b/PhysLean/SpaceAndTime/Time/TimeMan.lean
index ce580c0e5..2fb3d5a91 100644
--- a/PhysLean/SpaceAndTime/Time/TimeMan.lean
+++ b/PhysLean/SpaceAndTime/Time/TimeMan.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.InnerProductSpace.Basic
-import Mathlib.Geometry.Manifold.Diffeomorph
+module
+
+public import Mathlib.Analysis.InnerProductSpace.Basic
+public import Mathlib.Geometry.Manifold.Diffeomorph
 /-!
 # The time manifold
 
@@ -26,6 +28,8 @@ constitute a choice being made.
 
 -/
 
+@[expose] public section
+
 /-- The type `TimeMan` represents the time manifold.
   Mathematically `TimeMan` is a manifold diffeomorphic to `ℝ` with an orientation but no additional
   structure. -/
diff --git a/PhysLean/SpaceAndTime/Time/TimeTransMan.lean b/PhysLean/SpaceAndTime/Time/TimeTransMan.lean
index 8847d7eda..dab7df7a0 100644
--- a/PhysLean/SpaceAndTime/Time/TimeTransMan.lean
+++ b/PhysLean/SpaceAndTime/Time/TimeTransMan.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Time.Derivatives
-import PhysLean.SpaceAndTime.Time.TimeUnit
+module
+
+public import PhysLean.SpaceAndTime.Time.Derivatives
+public import PhysLean.SpaceAndTime.Time.TimeUnit
 /-!
 
 # The time manifold with a transitive action of `ℝ`
@@ -42,6 +44,8 @@ This map is a diffeomorphism (to be shown).
 
 -/
 
+@[expose] public section
+
 /-- The type `TimeTransMan` represents the time manifold with an orientation and
   a transitive action of the reals. -/
 structure TimeTransMan where
diff --git a/PhysLean/SpaceAndTime/Time/TimeUnit.lean b/PhysLean/SpaceAndTime/Time/TimeUnit.lean
index e126364f0..96792768f 100644
--- a/PhysLean/SpaceAndTime/Time/TimeUnit.lean
+++ b/PhysLean/SpaceAndTime/Time/TimeUnit.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Geometry.Manifold.Diffeomorph
-import PhysLean.SpaceAndTime.Time.Basic
+module
+
+public import Mathlib.Geometry.Manifold.Diffeomorph
+public import PhysLean.SpaceAndTime.Time.Basic
 /-!
 
 # Units on time
@@ -26,6 +28,8 @@ existence of the time unit of seconds, and construct all other time units from t
 
 -/
 
+@[expose] public section
+
 open NNReal
 
 /-- The choices of translationally-invariant metrics on the manifold `TimeTransMan`.
diff --git a/PhysLean/SpaceAndTime/TimeAndSpace/Basic.lean b/PhysLean/SpaceAndTime/TimeAndSpace/Basic.lean
index 5c678ce8b..662370307 100644
--- a/PhysLean/SpaceAndTime/TimeAndSpace/Basic.lean
+++ b/PhysLean/SpaceAndTime/TimeAndSpace/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Zhi Kai Pong, Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Space.Derivatives.Curl
+module
+
+public import PhysLean.SpaceAndTime.Space.Derivatives.Curl
 /-!
 
 # Functions and distributions on Time and Space d
@@ -48,6 +50,8 @@ We put these results in the namespace `Space` by convention.
 ## iv. References
 
 -/
+
+@[expose] public section
 namespace Space
 
 /-!
diff --git a/PhysLean/SpaceAndTime/TimeAndSpace/ConstantTimeDist.lean b/PhysLean/SpaceAndTime/TimeAndSpace/ConstantTimeDist.lean
index c3c4b1406..7f468423c 100644
--- a/PhysLean/SpaceAndTime/TimeAndSpace/ConstantTimeDist.lean
+++ b/PhysLean/SpaceAndTime/TimeAndSpace/ConstantTimeDist.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.TimeAndSpace.Basic
-import Mathlib.Analysis.Calculus.ContDiff.FiniteDimension
+module
+
+public import PhysLean.SpaceAndTime.TimeAndSpace.Basic
+public import Mathlib.Analysis.Calculus.ContDiff.FiniteDimension
 /-!
 
 # Distributions which are constant in time
@@ -53,6 +55,8 @@ to get a Schwartz Map on `Space d`.
 ## iv. References
 
 -/
+
+@[expose] public section
 open SchwartzMap NNReal
 noncomputable section
 
diff --git a/PhysLean/StatisticalMechanics/BoltzmannConstant.lean b/PhysLean/StatisticalMechanics/BoltzmannConstant.lean
index 5ddf4e05a..ddf4f0062 100644
--- a/PhysLean/StatisticalMechanics/BoltzmannConstant.lean
+++ b/PhysLean/StatisticalMechanics/BoltzmannConstant.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Data.NNReal.Defs
+module
+
+public import Mathlib.Data.NNReal.Defs
 /-!
 
 # Boltzmann constant
@@ -14,6 +16,8 @@ The Boltzmann constant is a constant `kB` of dimension `m² kg s⁻² K⁻¹`, t
 In this module give the value of the Boltzmann constant.
 
 -/
+
+@[expose] public section
 open NNReal
 
 namespace Constants
diff --git a/PhysLean/StatisticalMechanics/CanonicalEnsemble/Basic.lean b/PhysLean/StatisticalMechanics/CanonicalEnsemble/Basic.lean
index 31bfc4909..317f9dca6 100644
--- a/PhysLean/StatisticalMechanics/CanonicalEnsemble/Basic.lean
+++ b/PhysLean/StatisticalMechanics/CanonicalEnsemble/Basic.lean
@@ -3,13 +3,15 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.Thermodynamics.Temperature.Basic
-import Mathlib.MeasureTheory.Measure.ProbabilityMeasure
-import Mathlib.Analysis.Calculus.ParametricIntegral
-import PhysLean.Meta.Informal.SemiFormal
-import PhysLean.Meta.Linters.Sorry
-import Mathlib.Analysis.SpecialFunctions.Log.Summable
-import Mathlib.MeasureTheory.Integral.Prod
+module
+
+public import PhysLean.Thermodynamics.Temperature.Basic
+public import Mathlib.MeasureTheory.Measure.ProbabilityMeasure
+public import Mathlib.Analysis.Calculus.ParametricIntegral
+public import PhysLean.Meta.Informal.SemiFormal
+public import PhysLean.Meta.Linters.Sorry
+public import Mathlib.Analysis.SpecialFunctions.Log.Summable
+public import Mathlib.MeasureTheory.Integral.Prod
 /-!
 # Canonical Ensemble: Core Definitions
 
@@ -103,6 +105,8 @@ Subsequent files (`Lemmas.lean`) prove:
 * Derivative (response) formulas: `U = -∂_β log Z`.
 -/
 
+@[expose] public section
+
 open MeasureTheory Real Temperature
 open scoped Temperature
 
diff --git a/PhysLean/StatisticalMechanics/CanonicalEnsemble/Finite.lean b/PhysLean/StatisticalMechanics/CanonicalEnsemble/Finite.lean
index faeb73508..6bde8d573 100644
--- a/PhysLean/StatisticalMechanics/CanonicalEnsemble/Finite.lean
+++ b/PhysLean/StatisticalMechanics/CanonicalEnsemble/Finite.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import Mathlib.Algebra.Lie.OfAssociative
-import PhysLean.StatisticalMechanics.CanonicalEnsemble.Lemmas
+module
+
+public import Mathlib.Algebra.Lie.OfAssociative
+public import PhysLean.StatisticalMechanics.CanonicalEnsemble.Lemmas
 /-!
 # Finite Canonical Ensemble
 
@@ -45,6 +47,8 @@ systems (addition, `nsmul`, and `congr`).
 
 -/
 
+@[expose] public section
+
 namespace CanonicalEnsemble
 
 open Real Temperature MeasureTheory Constants
diff --git a/PhysLean/StatisticalMechanics/CanonicalEnsemble/Lemmas.lean b/PhysLean/StatisticalMechanics/CanonicalEnsemble/Lemmas.lean
index ef1c14fcf..9b7f6f33d 100644
--- a/PhysLean/StatisticalMechanics/CanonicalEnsemble/Lemmas.lean
+++ b/PhysLean/StatisticalMechanics/CanonicalEnsemble/Lemmas.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Matteo Cipollina. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.StatisticalMechanics.CanonicalEnsemble.Basic
+module
+
+public import PhysLean.StatisticalMechanics.CanonicalEnsemble.Basic
 /-!
 # Canonical Ensemble: Thermodynamic Identities and Relations
 
@@ -49,6 +51,8 @@ Same references as `Basic.lean` (Landau–Lifshitz; Tong), especially the identi
 `F = U - T S` and `U = -∂_β log Z`.
 
 -/
+
+@[expose] public section
 set_option linter.unusedVariables.funArgs false
 
 namespace CanonicalEnsemble
diff --git a/PhysLean/StatisticalMechanics/CanonicalEnsemble/TwoState.lean b/PhysLean/StatisticalMechanics/CanonicalEnsemble/TwoState.lean
index 73655c342..0b901eedd 100644
--- a/PhysLean/StatisticalMechanics/CanonicalEnsemble/TwoState.lean
+++ b/PhysLean/StatisticalMechanics/CanonicalEnsemble/TwoState.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import PhysLean.StatisticalMechanics.CanonicalEnsemble.Finite
-import PhysLean.Meta.Informal.Basic
+module
+
+public import PhysLean.StatisticalMechanics.CanonicalEnsemble.Finite
+public import PhysLean.Meta.Informal.Basic
 /-!
 
 # Two-state canonical ensemble
@@ -14,6 +16,8 @@ canonical ensemble.
 
 -/
 
+@[expose] public section
+
 namespace CanonicalEnsemble
 
 open Temperature
diff --git a/PhysLean/StringTheory/Basic.lean b/PhysLean/StringTheory/Basic.lean
index 338a0f780..7023b3f82 100644
--- a/PhysLean/StringTheory/Basic.lean
+++ b/PhysLean/StringTheory/Basic.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
+module
+
 /-!
 
 # String Theory
@@ -19,3 +21,5 @@ Some directories which are NOT currently place holders are:
 - Relativity
 
 -/
+
+@[expose] public section
diff --git a/PhysLean/StringTheory/FTheory/SU5/Basic.lean b/PhysLean/StringTheory/FTheory/SU5/Basic.lean
index 35e327280..1521b1722 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Basic.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Basic.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
+module
+
 /-!
 
 # F-theory with a SU(5) gauge group
@@ -55,4 +57,4 @@ This is detailed in the paper `arxiv:1504.05593`. In implemented here using
 This theory is looked at in the following paper:
 - arXiv:1507.05961.
 
--/
+-/@[expose] public section
diff --git a/PhysLean/StringTheory/FTheory/SU5/Charges/AnomalyFree.lean b/PhysLean/StringTheory/FTheory/SU5/Charges/AnomalyFree.lean
index b8ce21eb0..53ed5236b 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Charges/AnomalyFree.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Charges/AnomalyFree.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.StringTheory.FTheory.SU5.Quanta.Basic
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Map
+module
+
+public import PhysLean.StringTheory.FTheory.SU5.Quanta.Basic
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.Map
 /-!
 
 # Anomaly cancellation
@@ -39,6 +41,8 @@ which do not have exotics.
 There are no known references for the material in this section.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Charges/OfRationalSection.lean b/PhysLean/StringTheory/FTheory/SU5/Charges/OfRationalSection.lean
index 19812d198..3b734b72b 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Charges/OfRationalSection.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Charges/OfRationalSection.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Meta.TODO.Basic
-import Mathlib.Data.Fintype.Sets
-import Mathlib.Algebra.BigOperators.Group.List.Basic
+module
+
+public import PhysLean.Meta.TODO.Basic
+public import Mathlib.Data.Fintype.Sets
+public import Mathlib.Algebra.BigOperators.Group.List.Basic
 /-!
 
 # Allowed charges
@@ -54,6 +56,8 @@ F-theory and All Things Rational: Surveying U(1) Symmetries with Rational Sectio
 
 -/
 
+@[expose] public section
+
 TODO "AETF6" "The results in this file are currently stated, but not proved.
   They should should be proved following e.g. https://arxiv.org/pdf/1504.05593.
   This is a large project."
diff --git a/PhysLean/StringTheory/FTheory/SU5/Charges/Viable.lean b/PhysLean/StringTheory/FTheory/SU5/Charges/Viable.lean
index 58fb5df06..107c6ca24 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Charges/Viable.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Charges/Viable.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoClosed
-import PhysLean.StringTheory.FTheory.SU5.Charges.OfRationalSection
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.PhenoClosed
+public import PhysLean.StringTheory.FTheory.SU5.Charges.OfRationalSection
 /-!
 
 # Charges which are not pheno-constrained and do not regenerate dangerous couplings with Yukawas
@@ -91,6 +93,8 @@ will be very welcome. In particular working out a way to restrict by anomaly can
 There are no known references for the material in this section.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
@@ -122,7 +126,7 @@ This can be constructed via
 
 `#eval completeMinSubset same.allowedBarFiveCharges same.allowedTenCharges`
 -/
-private def viableCompletions (I : CodimensionOneConfig) : Multiset (ChargeSpectrum ℤ) :=
+def viableCompletions (I : CodimensionOneConfig) : Multiset (ChargeSpectrum ℤ) :=
   match I with
   | same => {
     /- qHu = -3, and Q10 = {-3, 0} -/
diff --git a/PhysLean/StringTheory/FTheory/SU5/Fluxes/Basic.lean b/PhysLean/StringTheory/FTheory/SU5/Fluxes/Basic.lean
index 8249a1208..dee3c3bcf 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Fluxes/Basic.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Fluxes/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Normed.Ring.Lemmas
+module
+
+public import Mathlib.Analysis.Normed.Ring.Lemmas
 /-!
 
 # Fluxes of representations
@@ -120,6 +122,8 @@ they can be derived from other data structures.
 - For an old version of the material in this module see PR #569.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/ChiralIndices.lean b/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/ChiralIndices.lean
index e67e5937f..9e10cd1f8 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/ChiralIndices.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/ChiralIndices.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.Basic
-import Mathlib.Tactic.FinCases
+module
+
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.Basic
+public import Mathlib.Tactic.FinCases
 /-!
 
 # Constraints on chiral indices from the condition of no chiral exotics
@@ -42,6 +44,8 @@ we state them for the representation `D = (bar 3,1)_{1/3}` only:
 There are no known references for the material in this module.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Completeness.lean b/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Completeness.lean
index 93c313828..a22cc9fe5 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Completeness.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Completeness.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.ChiralIndices
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Elems
+module
+
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.ChiralIndices
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Elems
 /-!
 
 # Completeness of `Elems` with regard to the `NoExotics` condition
@@ -60,6 +62,8 @@ are only constrained by `2` SM representations `D` and `L`.
 There are no known references for the material in this module.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Elems.lean b/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Elems.lean
index 9eb6e7c2c..cf229bdba 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Elems.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Fluxes/NoExotics/Elems.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.Basic
-import Mathlib.Tactic.FinCases
+module
+
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.Basic
+public import Mathlib.Tactic.FinCases
 /-!
 
 # Terms of `FluxesFive` and `FluxesTen` with no chiral exotics
@@ -54,6 +56,8 @@ elements of those elements.
 There are no known references for the material in this module.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Quanta/Basic.lean b/PhysLean/StringTheory/FTheory/SU5/Quanta/Basic.lean
index 4d9216b47..f794d7add 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Quanta/Basic.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Quanta/Basic.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.StringTheory.FTheory.SU5.Quanta.FiveQuanta
-import PhysLean.StringTheory.FTheory.SU5.Quanta.TenQuanta
-import PhysLean.StringTheory.FTheory.SU5.Charges.Viable
+module
+
+public import PhysLean.StringTheory.FTheory.SU5.Quanta.FiveQuanta
+public import PhysLean.StringTheory.FTheory.SU5.Quanta.TenQuanta
+public import PhysLean.StringTheory.FTheory.SU5.Charges.Viable
 /-!
 
 # Quanta of representations
@@ -48,6 +50,8 @@ properties thereof.
 A reference for the anomaly cancellation conditions is arXiv:1401.5084 equation 22.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Quanta/FiveQuanta.lean b/PhysLean/StringTheory/FTheory/SU5/Quanta/FiveQuanta.lean
index 525f19d2d..d3815a34d 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Quanta/FiveQuanta.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Quanta/FiveQuanta.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Completeness
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Completeness
 /-!
 
 # Quanta of 5-d representations
@@ -79,6 +81,8 @@ properties thereof.
 A reference for the anomaly cancellation conditions is arXiv:1401.5084.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Quanta/IsViable.lean b/PhysLean/StringTheory/FTheory/SU5/Quanta/IsViable.lean
index 38519ef01..9e36b9b58 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Quanta/IsViable.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Quanta/IsViable.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.StringTheory.FTheory.SU5.Charges.AnomalyFree
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.ZMod
+module
+
+public import PhysLean.StringTheory.FTheory.SU5.Charges.AnomalyFree
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.ZMod
 /-!
 
 # Viable Quanta with Yukawa
@@ -56,6 +58,8 @@ lake exe graph --from
 The key reference for the material in this module is: arXiv:1507.05961.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/StringTheory/FTheory/SU5/Quanta/TenQuanta.lean b/PhysLean/StringTheory/FTheory/SU5/Quanta/TenQuanta.lean
index 358abc48c..cc5c79e99 100644
--- a/PhysLean/StringTheory/FTheory/SU5/Quanta/TenQuanta.lean
+++ b/PhysLean/StringTheory/FTheory/SU5/Quanta/TenQuanta.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
-import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Completeness
+module
+
+public import PhysLean.Particles.SuperSymmetry.SU5.ChargeSpectrum.MinimallyAllowsTerm.OfFinset
+public import PhysLean.StringTheory.FTheory.SU5.Fluxes.NoExotics.Completeness
 /-!
 
 # Quanta of 10d representations
@@ -81,6 +83,8 @@ properties thereof.
 A reference for the anomaly cancellation conditions is arXiv:1401.5084.
 
 -/
+
+@[expose] public section
 namespace FTheory
 
 namespace SU5
diff --git a/PhysLean/Thermodynamics/Basic.lean b/PhysLean/Thermodynamics/Basic.lean
index f58a0b4de..f83eb83ae 100644
--- a/PhysLean/Thermodynamics/Basic.lean
+++ b/PhysLean/Thermodynamics/Basic.lean
@@ -3,6 +3,8 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
+module
+
 /-!
 
 # Thermodynamics
@@ -19,3 +21,5 @@ Some directories which are NOT currently place holders are:
 - Relativity
 
 -/
+
+@[expose] public section
diff --git a/PhysLean/Thermodynamics/IdealGas/Basic.lean b/PhysLean/Thermodynamics/IdealGas/Basic.lean
index 24a339c48..00a3317e6 100644
--- a/PhysLean/Thermodynamics/IdealGas/Basic.lean
+++ b/PhysLean/Thermodynamics/IdealGas/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Fabio Anza. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Mitch Scheffer, Fabio Anza
 -/
-import Mathlib.Analysis.SpecialFunctions.Pow.Real -- for Real.rpow_def_of_pos
+module
+
+public import Mathlib.Analysis.SpecialFunctions.Pow.Real -- for Real.rpow_def_of_pos
 
 /-!
 # Ideal gas: basic entropy and adiabatic relations
@@ -21,6 +23,8 @@ ideal gas. We:
   3. U_a^c V_a = U_b^c V_b (the latter follows from (2)).
 -/
 
+@[expose] public section
+
 open Real
 
 noncomputable section
diff --git a/PhysLean/Thermodynamics/Temperature/Basic.lean b/PhysLean/Thermodynamics/Temperature/Basic.lean
index ef6109dea..3829b3b80 100644
--- a/PhysLean/Thermodynamics/Temperature/Basic.lean
+++ b/PhysLean/Thermodynamics/Temperature/Basic.lean
@@ -3,10 +3,12 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Matteo Cipollina, Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Calculus.Deriv.Inv
-import Mathlib.Analysis.InnerProductSpace.Basic
-import PhysLean.StatisticalMechanics.BoltzmannConstant
-import PhysLean.Meta.TODO.Basic
+module
+
+public import Mathlib.Analysis.Calculus.Deriv.Inv
+public import Mathlib.Analysis.InnerProductSpace.Basic
+public import PhysLean.StatisticalMechanics.BoltzmannConstant
+public import PhysLean.Meta.TODO.Basic
 /-!
 
 # Temperature
@@ -20,6 +22,8 @@ non-mathematical physics.
 The choice of units can be made on a case-by-case basis, as long as they are done consistently.
 
 -/
+
+@[expose] public section
 open NNReal
 
 /-- The type `Temperature` represents the temperature in a given (but arbitrary) set of units
diff --git a/PhysLean/Thermodynamics/Temperature/TemperatureUnits.lean b/PhysLean/Thermodynamics/Temperature/TemperatureUnits.lean
index cff880aba..a867c3d1f 100644
--- a/PhysLean/Thermodynamics/Temperature/TemperatureUnits.lean
+++ b/PhysLean/Thermodynamics/Temperature/TemperatureUnits.lean
@@ -3,8 +3,10 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Geometry.Manifold.Diffeomorph
-import PhysLean.SpaceAndTime.Time.Basic
+module
+
+public import Mathlib.Geometry.Manifold.Diffeomorph
+public import PhysLean.SpaceAndTime.Time.Basic
 /-!
 
 # Units on Temperature
@@ -25,6 +27,8 @@ existence of the temperature unit of kelvin, and construct all other temperature
 
 -/
 
+@[expose] public section
+
 open NNReal
 
 /-- The choices of translationally-invariant metrics on the temperature-manifold.
diff --git a/PhysLean/Units/Basic.lean b/PhysLean/Units/Basic.lean
index 13c79c3aa..22d6c0cbd 100644
--- a/PhysLean/Units/Basic.lean
+++ b/PhysLean/Units/Basic.lean
@@ -3,12 +3,14 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.SpaceAndTime.Time.TimeUnit
-import PhysLean.SpaceAndTime.Space.LengthUnit
-import PhysLean.ClassicalMechanics.Mass.MassUnit
-import PhysLean.Electromagnetism.Charge.ChargeUnit
-import PhysLean.Thermodynamics.Temperature.TemperatureUnits
-import PhysLean.Units.Dimension
+module
+
+public import PhysLean.SpaceAndTime.Time.TimeUnit
+public import PhysLean.SpaceAndTime.Space.LengthUnit
+public import PhysLean.ClassicalMechanics.Mass.MassUnit
+public import PhysLean.Electromagnetism.Charge.ChargeUnit
+public import PhysLean.Thermodynamics.Temperature.TemperatureUnits
+public import PhysLean.Units.Dimension
 /-!
 
 # Dimensions and unit
@@ -66,6 +68,8 @@ in PhysLean which is based exclusively on Reals.
 
 -/
 
+@[expose] public section
+
 /-!
 
 ## Units
diff --git a/PhysLean/Units/Dimension.lean b/PhysLean/Units/Dimension.lean
index 068d52629..cf5795619 100644
--- a/PhysLean/Units/Dimension.lean
+++ b/PhysLean/Units/Dimension.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import Mathlib.Analysis.Normed.Field.Lemmas
+module
+
+public import Mathlib.Analysis.Normed.Field.Lemmas
 /-!
 
 # Dimension
@@ -13,6 +15,8 @@ of a physical quantity.
 
 -/
 
+@[expose] public section
+
 open NNReal
 
 /-!
diff --git a/PhysLean/Units/Examples.lean b/PhysLean/Units/Examples.lean
index 0850a3478..c30b2651a 100644
--- a/PhysLean/Units/Examples.lean
+++ b/PhysLean/Units/Examples.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.WithDim.Speed
+module
+
+public import PhysLean.Units.WithDim.Speed
 /-!
 
 # Examples of units in PhysLean
@@ -14,6 +16,8 @@ should not be used in the proofs of any other results other then those in this f
 
 -/
 
+@[expose] public section
+
 namespace UnitExamples
 open Dimension CarriesDimension UnitChoices UnitDependent HasDim
 /-!
diff --git a/PhysLean/Units/FDeriv.lean b/PhysLean/Units/FDeriv.lean
index 6a9d77342..d29e36e8a 100644
--- a/PhysLean/Units/FDeriv.lean
+++ b/PhysLean/Units/FDeriv.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.WithDim.Basic
+module
+
+public import PhysLean.Units.WithDim.Basic
 /-!
 
 # Dimensional invariance of fderiv
@@ -21,6 +23,8 @@ in which the derivative is taken.
 
 -/
 
+@[expose] public section
+
 open UnitDependent CarriesDimension NNReal
 
 variable {M1 M2 : Type} [NormedAddCommGroup M1] [NormedSpace ℝ M1]
diff --git a/PhysLean/Units/Integral.lean b/PhysLean/Units/Integral.lean
index b1d7dc136..8e206157e 100644
--- a/PhysLean/Units/Integral.lean
+++ b/PhysLean/Units/Integral.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.UnitDependent
+module
+
+public import PhysLean.Units.UnitDependent
 /-!
 
 # Dimensional invariance of the integral
@@ -12,6 +14,8 @@ In this module we prove that the dimensional properties of the integral.
 
 -/
 
+@[expose] public section
+
 open UnitDependent NNReal
 variable (M : Type)
     [NormedAddCommGroup M] [NormedSpace ℝ M] [HasDim M]
diff --git a/PhysLean/Units/UnitDependent.lean b/PhysLean/Units/UnitDependent.lean
index 8d6368970..b6f26de20 100644
--- a/PhysLean/Units/UnitDependent.lean
+++ b/PhysLean/Units/UnitDependent.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.Basic
+module
+
+public import PhysLean.Units.Basic
 /-!
 
 ## Types which depend on dimensions
@@ -23,6 +25,8 @@ We define three versions
 
 -/
 
+@[expose] public section
+
 open CarriesDimension
 open NNReal
 
diff --git a/PhysLean/Units/WithDim/Area.lean b/PhysLean/Units/WithDim/Area.lean
index 4ab5ee34a..d8e4f1ee5 100644
--- a/PhysLean/Units/WithDim/Area.lean
+++ b/PhysLean/Units/WithDim/Area.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.WithDim.Basic
+module
+
+public import PhysLean.Units.WithDim.Basic
 /-!
 
 # Area
@@ -12,6 +14,8 @@ In this module we define the dimensionful type corresponding to an area.
 We define specific instances of areas, such as square meters, square feet, etc.
 
 -/
+
+@[expose] public section
 open Dimension
 open NNReal
 
diff --git a/PhysLean/Units/WithDim/Basic.lean b/PhysLean/Units/WithDim/Basic.lean
index 5293993f9..dc076a732 100644
--- a/PhysLean/Units/WithDim/Basic.lean
+++ b/PhysLean/Units/WithDim/Basic.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.UnitDependent
+module
+
+public import PhysLean.Units.UnitDependent
 /-!
 
 ## WithDim
@@ -12,6 +14,8 @@ WithDim is the type `M` which carrying the dimension `d`.
 
 -/
 
+@[expose] public section
+
 open NNReal
 
 /-- The type `M` carrying an instance of a dimension `d`. -/
diff --git a/PhysLean/Units/WithDim/Energy.lean b/PhysLean/Units/WithDim/Energy.lean
index b01e711ec..66259ce89 100644
--- a/PhysLean/Units/WithDim/Energy.lean
+++ b/PhysLean/Units/WithDim/Energy.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.WithDim.Basic
+module
+
+public import PhysLean.Units.WithDim.Basic
 /-!
 
 # Energy
@@ -12,6 +14,8 @@ In this module we define the dimensionful type corresponding to an energy.
 We define specific instances of energy.
 
 -/
+
+@[expose] public section
 open Dimension
 open NNReal
 
diff --git a/PhysLean/Units/WithDim/Mass.lean b/PhysLean/Units/WithDim/Mass.lean
index b728303a5..2e61cc0bd 100644
--- a/PhysLean/Units/WithDim/Mass.lean
+++ b/PhysLean/Units/WithDim/Mass.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.Basic
+module
+
+public import PhysLean.Units.Basic
 /-!
 # Mass
 
@@ -11,5 +13,7 @@ In this module we define the type `Mass`, which represents the mass of a particl
 in an arbitrary (but given) set of units.
 
 -/
+
+@[expose] public section
 open Dimension
 open NNReal
diff --git a/PhysLean/Units/WithDim/Momentum.lean b/PhysLean/Units/WithDim/Momentum.lean
index db06e82d7..3b367d33e 100644
--- a/PhysLean/Units/WithDim/Momentum.lean
+++ b/PhysLean/Units/WithDim/Momentum.lean
@@ -3,9 +3,11 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.WithDim.Velocity
-import PhysLean.Units.WithDim.Mass
-import PhysLean.Units.WithDim.Basic
+module
+
+public import PhysLean.Units.WithDim.Velocity
+public import PhysLean.Units.WithDim.Mass
+public import PhysLean.Units.WithDim.Basic
 /-!
 # Momentum
 
@@ -13,6 +15,8 @@ In this module we define the type `Momentum`, which represents the momentum of a
 in `d`-dimensional space, in an arbitrary (but given) set of units.
 
 -/
+
+@[expose] public section
 open Dimension
 
 /-- Momentum in `d`-dimensional space in an arbitrary, but given, set of units.
diff --git a/PhysLean/Units/WithDim/Pressure.lean b/PhysLean/Units/WithDim/Pressure.lean
index 975baddac..e6299da3a 100644
--- a/PhysLean/Units/WithDim/Pressure.lean
+++ b/PhysLean/Units/WithDim/Pressure.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.WithDim.Basic
+module
+
+public import PhysLean.Units.WithDim.Basic
 /-!
 
 # Pressure
@@ -12,6 +14,8 @@ In this module we define the dimensionful type corresponding to an pressure.
 We define specific instances of pressure.
 
 -/
+
+@[expose] public section
 open Dimension
 open NNReal
 
diff --git a/PhysLean/Units/WithDim/Speed.lean b/PhysLean/Units/WithDim/Speed.lean
index 4b596e809..da68c83d1 100644
--- a/PhysLean/Units/WithDim/Speed.lean
+++ b/PhysLean/Units/WithDim/Speed.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.WithDim.Basic
+module
+
+public import PhysLean.Units.WithDim.Basic
 /-!
 
 # Speed
@@ -12,6 +14,8 @@ In this module we define the dimensionful type corresponding to an speed.
 We define specific instances of speed, such as miles per hour, kilometers per hour, etc.
 
 -/
+
+@[expose] public section
 open Dimension
 open NNReal
 
diff --git a/PhysLean/Units/WithDim/Velocity.lean b/PhysLean/Units/WithDim/Velocity.lean
index dc71fdb0c..a1a45359e 100644
--- a/PhysLean/Units/WithDim/Velocity.lean
+++ b/PhysLean/Units/WithDim/Velocity.lean
@@ -3,7 +3,9 @@ Copyright (c) 2025 Joseph Tooby-Smith. All rights reserved.
 Released under Apache 2.0 license as described in the file LICENSE.
 Authors: Joseph Tooby-Smith
 -/
-import PhysLean.Units.Basic
+module
+
+public import PhysLean.Units.Basic
 /-!
 # Velocity
 
@@ -11,4 +13,6 @@ In this module we define the type `Velocity`, which represents the velocity of a
 in `d`-dimensional space, in an arbitrary (but given) set of units.
 
 -/
+
+@[expose] public section
 open Dimension
diff --git a/scripts/lint-style.py b/scripts/lint-style.py
index 47523e810..837af54aa 100755
--- a/scripts/lint-style.py
+++ b/scripts/lint-style.py
@@ -292,7 +292,7 @@ def regular_check(lines, path):
         if copy_done and line == "\n":
             continue
         words = line.split()
-        if words[0] != "import" and words[0] != "--" and words[0] != "/-!" and words[0] != "#align_import":
+        if words[0] != "module" and words[0] != "public" and words[0] != "meta" and words[0] != "import" and words[0] != "--" and words[0] != "/-!" and words[0] != "#align_import":
             errors += [(ERR_MOD, line_nr, path)]
             break
         if words[0] == "/-!":