OAI/Geometry/SurfaceImmersion/Primitive/FiniteCrossingNormals.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Simultaneous normal adjustments at the finitely many later crossings. Disjoint supports preserve the other curves and the exterior normal exactly.
- theorem
OAI.ClosedSurfaceR4.VelocityFrame.finite_crossing_normalsline 16