Theorem Multiset.mem_sum

Modification history

2025-08-28 17:04
Mathlib/Algebra/BigOperators/Group/Finset/Basic.lean
chore(Algebra): deduplicate Multiset.mem_sum and relax types (#28860) …
Modified Multiset.mem_sumView on Github →
2025-04-19 14:06
Mathlib/Algebra/BigOperators/Group/Finset/Basic.lean
chore(Algebra/BigOperators/Group/Finset/Basic): use meaningful letter names (#24123) …
Modified Multiset.mem_sumView on Github →
2024-07-29 07:19
Mathlib/Algebra/BigOperators/Group/Finset.lean
feat: The multinomial theorem in terms of `piAntidiag` (#14998) …
Added Multiset.mem_sumView on Github →