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Theorem multiset.map_singleton

Modification history

2021-08-21 21:43
src/data/multiset/basic.lean
chore(data/multiset/basic): consistently use singleton notation (#8786)
Modified multiset.map_singletonView on Github →
2020-02-21 17:46
src/data/multiset.lean
feat(tactic/lint): check that left-hand side of all simp lemmas is in simp-normal form (#2017) …
Modified multiset.map_singletonView on Github →
2018-04-13 19:25
data/multiset.lean
feat(algebra/big_operators): add prod_sum (equating the product over a sum to the sum of all combinations)
Added multiset.map_singletonView on Github →