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Theorem
multiset.powerset_len_aux_perm
Modification history
2020-07-01 10:05
src/data/multiset/basic.lean
chore(data/finset, data/multiset): split into smaller files (#3256) …
Modified
multiset.powerset_len_aux_perm
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2019-04-16 18:10
src/data/multiset.lean
feat(data/finset): powerset_len (subsets of a given size) (#899) …
Added
multiset.powerset_len_aux_perm
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