Theorem Finset.eq_one_of_prod_eq_one

Modification history

2024-04-30 14:24
Mathlib/Algebra/BigOperators/Basic.lean
feat: `∑ x ∈ s, f x` to replace `∑ x in s, f x` in the future (#6795) …
Modified Finset.eq_one_of_prod_eq_oneView on Github →
2023-07-02 10:21
Mathlib/Algebra/BigOperators/Basic.lean
fix: `∑'` precedence (#5615) …
Modified Finset.eq_one_of_prod_eq_oneView on Github →
2023-01-18 12:21
Mathlib/Algebra/BigOperators/Basic.lean
feat: port Algebra.BigOperators.Basic (#1628)
Added Finset.eq_one_of_prod_eq_oneView on Github →