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v3
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Mathlib v3 is deprecated.
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Theorem
finset.card_eq_three
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_three
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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_three
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