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Theorem zero_lt.mul_neg_of_neg_of_pos

Modification history

2022-09-14 18:51
src/algebra/order/monoid_lemmas_zero_lt.lean
refactor(algebra/order/monoid_lemma_zero_lt): Use `{x : α // 0 ≤ α}` (#16447) …
Deleted zero_lt.mul_neg_of_neg_of_posView on Github →
2022-04-12 03:21
src/algebra/order/monoid_lemmas_zero_lt.lean
feat(algebra/order/monoid_lemmas_zero_lt): add lemmas assuming `mul_zero_class` `preorder` (#13297)
Added zero_lt.mul_neg_of_neg_of_posView on Github →