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Theorem finset.card_eq_two

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_twoView on Github →
2021-11-15 19:11
src/data/finset/basic.lean
feat(data/finset/basic): A finset has card two iff it's `{x, y}` for some `x ≠ y` (#10252) …
Added finset.card_eq_twoView on Github →