Mathlib v3 is deprecated. Go to Mathlib v4

Theorem has_strict_deriv_at.map_nhds_eq

Modification history

2021-01-15 10:58
src/analysis/calculus/inverse.lean
feat(analysis/calculus/inverse): a map that has an invertible strict derivative at every point is an open map (#5753) …
Added has_strict_deriv_at.map_nhds_eqView on Github →