OAI/Geometry/SurfaceImmersion/Whitney/SmoothDoubleArcExtension.lean

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1 declarations, 0 contain sorry, 0 declared as axioms

The actual extension step for an embedded topological double arc: append the next chart segment and retain the exact image and endpoints.

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