Theorem Multiset.sum_count_eq

Modification history

2024-07-29 07:19
Mathlib/Algebra/BigOperators/Group/Finset.lean
feat: The multinomial theorem in terms of `piAntidiag` (#14998) …
Modified Multiset.sum_count_eqView on Github →
2024-03-14 11:12
Mathlib/Algebra/BigOperators/Basic.lean
feat: the `n`th symmetric power is equivalent to maps of total mass `n`. (#11360)
Added Multiset.sum_count_eqView on Github →