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Prove honest real-to-CStar positivity transport leaf#27

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rm-lieb-s6-real-to-cstar-positivity-order-transport
Open

Prove honest real-to-CStar positivity transport leaf#27
freezed-corpse-143 wants to merge 1 commit into
mainfrom
rm-lieb-s6-real-to-cstar-positivity-order-transport

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Summary

  • Proves the real-to-CStarMatrix CStar-side transport lemmas from explicit complexified nonnegativity, Loewner-order, and strict-positivity premises.
  • Adds an assumption-consumer wrapper for log-back equality without claiming unconditional CFC.log compatibility.
  • Updates API/judge checks and roadmap docs to mark S6 complete and identify the next S7 real-to-complexified bridge audit.

Boundary

  • This PR does not prove that HighDimProb real PSD, MatrixLE, or strict-positivity facts automatically supply the complexified premises.
  • This PR does not prove unconditional real-to-CStar CFC.log log-back compatibility.

Test Plan

  • lake build HighDimProb.RandomMatrix.CStarBridge
  • lake env lean HighDimProbTest/RandomMatrixCStarBridgeAPI.lean
  • python .github/scripts/check_text_quality.py
  • python scripts/judge_policy_check.py
  • git diff --check
  • lake build HighDimProbJudge
  • lake test
  • lake build

Constraint: Real PSD-to-complex positivity and CFC log-back compatibility are not proved in this leaf.

Rejected: Proving the existing real MatrixLE statement directly | it would require a separate real-to-complex positivity bridge not established here

Confidence: high

Scope-risk: narrow

Directive: Do not replace explicit complexified premises with real MatrixLE/IsPSDMatrix assumptions without a proved complexification bridge.

Tested: lake build HighDimProb.RandomMatrix.CStarBridge; lake env lean HighDimProbTest/RandomMatrixCStarBridgeAPI.lean; python .github/scripts/check_text_quality.py; python scripts/judge_policy_check.py; git diff --check; lake build HighDimProbJudge; lake test; lake build

Not-tested: Direct real PSD/MatrixLE-to-complex positivity and unconditional CFC.log transport remain open.
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