Theorem Fintype.sum_mul_sum

Modification history

2025-07-05 03:31
Mathlib/Algebra/BigOperators/Ring/Finset.lean
chore(Algebra/BigOperators): rename variables away from greek letters (#26521) …
Modified Fintype.sum_mul_sumView on Github →
2024-07-13 00:30
Mathlib/Algebra/BigOperators/Ring.lean
chore(BigOperators/Ring): generalize `Fintype.sum_mul_sum` (#14683) …
Modified Fintype.sum_mul_sumView on Github →
2024-04-30 05:21
Mathlib/Algebra/BigOperators/Ring.lean
feat: More big operator lemmas (#10551) …
Added Fintype.sum_mul_sumView on Github →