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Theorem multiset.count_singleton_self

Modification history

2022-08-19 16:44
src/data/multiset/basic.lean
chore(data/multiset/basic): rename theorems, mark as `simp` (#15883) …
Modified multiset.count_singleton_selfView on Github →
2022-02-23 10:50
src/data/multiset/basic.lean
feat(ring_theory/unique_factorization_domain): add count_self (#12074)
Modified multiset.count_singleton_selfView on Github →
2021-08-21 21:43
src/data/multiset/basic.lean
chore(data/multiset/basic): consistently use singleton notation (#8786)
Added multiset.count_singleton_selfView on Github →