OAI/Geometry/SurfaceImmersion/Whitney/SmoothCrosscapSourceGeometry.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

The smooth embedded source connection retains both actual kernel axes near its singular endpoints, in the original crosscap coordinates.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.smooth_crosscap_source_geometry line 16