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Theorem
finset.exists_ne_map_eq_of_card_lt_of_maps_to
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.exists_ne_map_eq_of_card_lt_of_maps_to
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2020-10-01 02:57
src/data/finset/basic.lean
feat(data/fintype): pigeonhole principles (#4096) …
Added
finset.exists_ne_map_eq_of_card_lt_of_maps_to
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