Theorem Finset.prod_eq_one_iff

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 Finset.prod_eq_one_iffView on Github →
2025-04-01 19:01
Mathlib/Algebra/BigOperators/Group/Finset/Basic.lean
refactor: generalise `∏ i ∈ s, f i = 1 ↔ ∀ i ∈ s, f i = 1` to monoids with a single unit (#23483) …
Added Finset.prod_eq_one_iffView on Github →