Theorem Set.image_nontrivial

Modification history

2024-09-15 15:14
Mathlib/Data/Set/Image.lean
feat(Data/Set/Image): the image of a nontrivial set is nontrivial (#16823) …
Modified Set.image_nontrivialView on Github →
2024-06-07 06:15
Mathlib/Data/Set/Image.lean
feat(Set,Finset): add lemmas, golf (#13591) …
Added Set.image_nontrivialView on Github →