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Theorem
finset.prod_nonneg
Modification history
2021-04-15 15:46
src/algebra/big_operators/order.lean
refactor(algebra/big_operators/order): use `to_additive` (#7173) …
Modified
finset.prod_nonneg
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2020-07-22 10:18
src/algebra/big_operators/basic.lean
refactor(algebra/big_operators): split file, reduce imports (#3495) …
Modified
finset.prod_nonneg
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2019-08-15 20:26
src/algebra/big_operators.lean
feat(*): lemmas needed for two projects (#1294) …
Added
finset.prod_nonneg
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