OAI/Geometry/SurfaceImmersion/Whitney/CrosscapFramedRectangle.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

The normalized rectangle is constructed from the actual crosscap strip.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.CrosscapCoordinateStrip.normalized_defect_rectangle_framed line 16