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Theorem finset.prod_multiset_map_count

Modification history

2021-10-11 07:59
src/algebra/big_operators/basic.lean
feat(data/finset): add `finset.erase_none` (#9630) …
Modified finset.prod_multiset_map_countView on Github →
2020-10-09 13:16
src/algebra/big_operators/basic.lean
chore(algebra/big_operators/basic): add lemma prod_multiset_count' that generalize prod_multiset_count to consider a function to a monoid (#4534) …
Added finset.prod_multiset_map_countView on Github →