OAI/Geometry/SurfaceImmersion/Whitney/PreparedSmoothCrosscapArc.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

The actual generic surface map admits a smooth embedded regular source connection between a chosen crosscap and a distinct crosscap, with both original kernel-axis endpoint coordinates retained.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.prepared_smooth_crosscap_arc line 17