Theorem Finset.prod_nonneg

Modification history

2026-03-03 22:45
Mathlib/Algebra/Order/BigOperators/GroupWithZero/Finset.lean
chore(Algebra/Order/BigOperators): move lemmas which don't use addition out of Ring (#35005) …
Modified Finset.prod_nonnegView on Github →
2024-05-27 08:32
Mathlib/Algebra/Order/BigOperators/Ring/Finset.lean
chore: Use the new `∑ i ∈ s, f i` notation (#13209) …
Modified Finset.prod_nonnegView on Github →
2024-04-05 15:59
Mathlib/Algebra/Order/BigOperators/Group/Finset.lean
chore: Sort big operator order lemmas (#11750) …
Modified Finset.prod_nonnegView on Github →
2023-01-20 09:47
Mathlib/Algebra/BigOperators/Order.lean
feat: port Algebra.BigOperators.Order (#1673)
Added Finset.prod_nonnegView on Github →