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Theorem
has_strict_fderiv_at.map_nhds_eq_of_surj
Modification history
2021-02-14 23:17
src/analysis/calculus/inverse.lean
feat(analysis/calculus/inverse): a function with onto strict derivative is locally onto (#6229) …
Added
has_strict_fderiv_at.map_nhds_eq_of_surj
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