Mathlib v3 is deprecated. Go to Mathlib v4

Theorem multiset.mem_powerset_len

Modification history

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