Theorem Function.LeftInvOn_invFunOn_of_subset_image_image

Modification history

2023-09-13 13:29
Mathlib/Data/Set/Function.lean
chore: tidy various files (#7132)
Deleted Function.LeftInvOn_invFunOn_of_subset_image_imageView on Github →
2023-08-02 02:18
Mathlib/Data/Set/Function.lean
feat(Data.Set.Ncard): enat set cardinality (#5908) …
Added Function.LeftInvOn_invFunOn_of_subset_image_imageView on Github →