OAI/Geometry/SurfaceImmersion/Geometry/ExteriorIntrinsicPreservation.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

The actual exterior comparison retained by a primitive step preserves all strict boundary data on compact curve portions and crossing sets.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.compact_exterior_intrinsic_crossing_preservation line 20