Theorem contMDiffWithinAt_extChartAt_symm_range

Modification history

2026-06-11 13:02
Mathlib/Geometry/Manifold/ContMDiff/Atlas.lean
feat: drop `HasGroupoid` assumption in several `LiftPropAt` lemmas (#40475)
Modified contMDiffWithinAt_extChartAt_symm_rangeView on Github →
2024-11-06 07:58
Mathlib/Geometry/Manifold/ContMDiff/Atlas.lean
feat: expand API of `ContMDiff` and `MFDeriv` (#18623) …
Added contMDiffWithinAt_extChartAt_symm_rangeView on Github →