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Theorem add_neg_of_neg_of_nonpos

Modification history

2020-06-09 17:36
src/algebra/ordered_group.lean
refactor(algebra/ordered_group): multiplicative versions of ordered monoids/groups (#2844) …
Deleted add_neg_of_neg_of_nonposView on Github →
2020-05-18 13:38
src/algebra/ordered_group.lean
refactor(algebra): merge init_.algebra into algebra (#2707) …
Modified add_neg_of_neg_of_nonposView on Github →
2020-05-17 17:58
src/init_/algebra/ordered_group.lean
chore(*): bump to lean-3.13.1 (#2697) …
Added add_neg_of_neg_of_nonposView on Github →