Theorem Multiset.sum_map_mul_left

Modification history

2024-05-20 11:44
Mathlib/Algebra/BigOperators/Group/Multiset.lean
chore: Separate algebraic multiset lemmas (#12845) …
Modified Multiset.sum_map_mul_leftView on Github →
2023-01-13 12:32
Mathlib/Algebra/BigOperators/Multiset/Basic.lean
feat: port Algebra.BigOperators.Multiset.Basic (#1526)
Added Multiset.sum_map_mul_leftView on Github →