OAI/Geometry/SurfaceImmersion/Whitney/CrosscapGermRestriction.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

An unchanged endpoint germ retains its actual crosscap chart after restricting the source neighborhood.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SurfaceCrosscapCoordinates.restrict_germ line 15