OAI/Geometry/SurfaceImmersion/Primitive/LongitudinalCrossing.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Away from angular turns, the large longitudinal component alone gives both ordered crossing inequalities.

  1. lemma OAI.ClosedSurfaceR4.GeometryPreservation.frameVector_inner_second line 11
  2. lemma OAI.ClosedSurfaceR4.GeometryPreservation.crossing_projection_of_nonzero line 17
  3. lemma OAI.ClosedSurfaceR4.GeometryPreservation.longitudinal_norm_lower line 35
  4. theorem OAI.ClosedSurfaceR4.GeometryPreservation.longitudinal_projection_threshold line 50