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Theorem finset.card_eq_of_bijective

Modification history

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_eq_of_bijectiveView on Github →
2020-04-08 17:46
src/data/finset.lean
feat(tactic/linter): add decidable_classical linter (#2352) …
Modified finset.card_eq_of_bijectiveView on Github →
2018-03-10 13:38
data/finset.lean
feat(group_theory): add a little bit of group theory; prove of Lagrange's theorem
Added finset.card_eq_of_bijectiveView on Github →