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Theorem finset.filter_card_add_filter_neg_card_eq_card

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.filter_card_add_filter_neg_card_eq_cardView on Github →
2020-10-19 22:45
src/data/finset/basic.lean
feat(archive/imo): formalize IMO 1998 problem 2 (#4502)
Added finset.filter_card_add_filter_neg_card_eq_cardView on Github →