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Theorem
finset.one_lt_card_iff
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.one_lt_card_iff
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2021-05-03 07:41
src/data/finset/basic.lean
feat(data/finset/basic): a finset has card at most one iff it is contained in a singleton (#7404)
Modified
finset.one_lt_card_iff
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2020-03-02 18:11
src/data/fintype.lean
feat(data/finset): new basic material on finsets and fintypes (#2068) …
Added
finset.one_lt_card_iff
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