Theorem extChartAt_image_nhd_mem_nhds_of_boundaryless

Modification history

2024-01-27 11:43
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
feat: four small lemmas about extended charts (#10001) …
Added extChartAt_image_nhd_mem_nhds_of_boundarylessView on Github →