Theorem Multiset.sum_count_eq_card

Modification history

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.sum_count_eq_cardView on Github →
2024-07-29 07:19
Mathlib/Algebra/BigOperators/Group/Finset.lean
feat: The multinomial theorem in terms of `piAntidiag` (#14998) …
Added Multiset.sum_count_eq_cardView on Github →