Mathlib v3 is deprecated. Go to Mathlib v4

Theorem finset.card_image_eq_iff_inj_on

Modification history

2022-05-28 13:51
src/data/finset/card.lean
feat({data/{finset,set},order/filter}/pointwise): More lemmas (#14216) …
Deleted finset.card_image_eq_iff_inj_onView on Github →
2021-12-18 18:09
src/data/finset/basic.lean
split(data/finset/*): Split `data.finset.card` and `data.finset.fin` off `data.finset.basic` (#10796) …
Modified finset.card_image_eq_iff_inj_onView on Github →
2021-04-02 04:59
src/data/finset/basic.lean
feat(data/finset): inj on of image card eq (#6785)
Added finset.card_image_eq_iff_inj_onView on Github →