OAI/Geometry/SurfaceImmersion/Whitney/CompactArcJoin.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

Joining compact parameterized arcs preserves their precise image and injectivity when their only shared point is the common endpoint.

  1. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.joinedCurve_compact_image line 13
  2. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.joinedCurve_compact_injective line 42