OAI/Geometry/SurfaceImmersion/Whitney/CrosscapArcGermRestriction.lean
1 declarations, 0 contain sorry, 0 declared as axioms
The same embedded connecting arc and exact parameter germs survive a regular-locus-preserving change fixed near its singular endpoints.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.CrosscapConnectingArc.restrict_germsline 16