Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.image_preimage_eq

Modification history

2022-12-07 20:30
src/data/set/basic.lean
refactor(data/set/basic): move image, preimage, and range to a new file (#17842) …
Modified set.image_preimage_eqView on Github →
2020-12-21 23:51
src/data/set/basic.lean
chore(data/{equiv,set}/basic): image_preimage (#5465) …
Modified set.image_preimage_eqView on Github →
2018-04-19 04:40
data/set/basic.lean
feat(list/basic,...): minor modifications & additions …
Modified set.image_preimage_eqView on Github →
2017-10-15 01:58
data/set/basic.lean
feat(*): working on list/basic, robusting simp proofs
Added set.image_preimage_eqView on Github →