Theorem OpenPartialHomeomorph.extend_preimage_mem_nhds

Modification history

2025-10-02 09:10
Mathlib/Geometry/Manifold/IsManifold/ExtChartAt.lean
chore: rename PartialHomeomorph to OpenPartialHomeomorph (#29113) …
Added OpenPartialHomeomorph.extend_preimage_mem_nhdsView on Github →