Mathlib v3 is deprecated. Go to Mathlib v4

Theorem maps_to_ext_chart_at

Modification history

2022-08-10 10:23
src/geometry/manifold/smooth_manifold_with_corners.lean
feat(geometry/manifold/cont_mdiff): more flexibility in changing charts (#15519) …
Added maps_to_ext_chart_atView on Github →