OAI/Analysis/KadisonKastler/PositiveCornerWitness.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

Noncollinear projection witnesses in a modular corner

The corner reference is pulled back by the isometry and normalized. Its faithfulness and polar conjugation are constructed, so the local witness requires no independent corner standard-form or state-transitivity premise.

  1. theorem OAI.KadisonKastler.positive_corner_projection_witness line 24