OAI/Geometry/SurfaceImmersion/Atlas/PhaseCurvePairGeometry.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Both ordered crossings and both pure second forms in either fixed curve chart.

  1. def OAI.ClosedSurfaceR4.FiniteOrderSmoothing.PhaseBoundaryCurve.directionIn line 17
  2. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.PhaseBoundaryCurve.second_in_chart line 20
  3. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.PhaseBoundaryCurve.reverse_crossing_in_chart line 26
  4. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.PhaseBoundaryCurve.directionIn_continuousOn line 44