Theorem StructureGroupoid.compatible_of_mem_maximalAtlas_left

Modification history

2026-06-11 13:02
Mathlib/Geometry/Manifold/HasGroupoid.lean
feat: drop `HasGroupoid` assumption in several `LiftPropAt` lemmas (#40475)
Added StructureGroupoid.compatible_of_mem_maximalAtlas_leftView on Github →