Theorem Finset.prod_involution

Modification history

2024-08-15 11:25
Mathlib/Algebra/BigOperators/Group/Finset.lean
chore: Golf `prod_involution` (#15832) …
Modified Finset.prod_involutionView on Github →
2023-01-18 12:21
Mathlib/Algebra/BigOperators/Basic.lean
feat: port Algebra.BigOperators.Basic (#1628)
Added Finset.prod_involutionView on Github →