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Theorem multiset.count_singleton

Modification history

2021-08-21 21:43
src/data/multiset/basic.lean
chore(data/multiset/basic): consistently use singleton notation (#8786)
Modified multiset.count_singletonView on Github →
2020-10-13 19:48
src/data/multiset/basic.lean
chore(multiset): dedicated notation for multiset.cons (#4600)
Modified multiset.count_singletonView on Github →
2017-11-19 05:53
data/multiset/basic.lean
feat(data/multiset): filter, count, distrib lattice
Added multiset.count_singletonView on Github →