OAI/Geometry/SurfaceImmersion/Atlas/ImmersedAtlasNormal.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Discharge the projection's Gram hypotheses from the actual immersion.

  1. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.planeRead_gram_of_immersion line 18
  2. lemma OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.planeWeight_gram_of_immersion line 37
  3. theorem OAI.ClosedSurfaceR4.FiniteOrderSmoothing.SmoothingAtlas.exterior_preferred_normal line 49