Theorem contMDiffOn_union_iff_of_isOpen

Modification history

2025-07-04 16:21
Mathlib/Geometry/Manifold/ContMDiff/Basic.lean
feat: `contMDiffOn_iUnion_iff_of_isOpen` (#26673) …
Added contMDiffOn_union_iff_of_isOpenView on Github →