Theorem Finset.exists_lt_one_of_prod_one_of_exists_ne_one

Modification history

2026-09-09 15:18
Mathlib/Algebra/Order/BigOperators/Group/Finset.lean
feat(Data/Finsupp): support of `mapDomain` is image of support if nonneg (#43610) …
Modified Finset.exists_lt_one_of_prod_one_of_exists_ne_oneView on Github →
2026-09-07 07:56
Mathlib/Algebra/Order/BigOperators/Group/Finset.lean
feat(Algebra/Order/BigOperators/Group/Finset): generalise exists_one_lt_of_prod_one_of_exists_ne_one (#43500) …
Added Finset.exists_lt_one_of_prod_one_of_exists_ne_oneView on Github →