Theorem contMDiffOn_extChartAt_symm

Modification history

2026-06-11 13:02
Mathlib/Geometry/Manifold/ContMDiff/Atlas.lean
feat: drop `HasGroupoid` assumption in several `LiftPropAt` lemmas (#40475)
Modified contMDiffOn_extChartAt_symmView on Github →
2023-11-30 19:19
Mathlib/Geometry/Manifold/ContMDiff.lean
chore: split Geometry/Manifold/ContMDiff (#8726) …
Modified contMDiffOn_extChartAt_symmView on Github →
2023-06-24 01:01
Mathlib/Geometry/Manifold/ContMDiff.lean
feat: port Geometry.Manifold.ContMdiff (#4656)
Added contMDiffOn_extChartAt_symmView on Github →