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Theorem finset.inj_on_of_surj_on_of_card_le

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.inj_on_of_surj_on_of_card_leView on Github →
2019-10-22 00:57
src/data/finset.lean
feat(data/finset): inj_on_of_surj_on_of_card_le (#1578) …
Added finset.inj_on_of_surj_on_of_card_leView on Github →