OAI/Geometry/SurfaceImmersion/Whitney/CompactifiedDoubleCurve.lean

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5 declarations, 0 contain sorry, 0 declared as axioms

Compactifying distinct unordered double pairs retains precisely the prepared crosscaps on the diagonal.

  1. def OAI.ClosedSurfaceR4.FiniteOrderSmoothing.compactifiedDoubleCurve line 14
  2. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.compactifiedDoubleCurve_diagonal line 17
  3. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.compactifiedDoubleCurve_compact line 29
  4. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.compactifiedDoubleCurve_eq_closure line 33
  5. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.compactifiedDoubleCurve_finite_diagonal line 43