OAI/Geometry/SurfaceImmersion/Atlas/MatchedSubsetChart.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Restrict a local homeomorphism to matched subsets, with their induced topologies. The subsets themselves need not be open.
- theorem
OAI.ClosedSurfaceR4.FiniteOrderSmoothing.matched_subset_chartline 12