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Theorem finset.sum_le_sum_of_subset_of_nonneg

Modification history

2021-04-15 15:46
src/algebra/big_operators/order.lean
refactor(algebra/big_operators/order): use `to_additive` (#7173) …
Deleted finset.sum_le_sum_of_subset_of_nonnegView on Github →
2020-07-22 10:18
src/algebra/big_operators/basic.lean
refactor(algebra/big_operators): split file, reduce imports (#3495) …
Modified finset.sum_le_sum_of_subset_of_nonnegView on Github →
2017-09-05 19:24
algebra/big_operators.lean
feat(algebra): add ordered (non-cancellative) additive monoid; use for sum-big operator
Added finset.sum_le_sum_of_subset_of_nonnegView on Github →