Mathlib v3 is deprecated. Go to Mathlib v4

Theorem neg_nonneg_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 neg_nonneg_of_nonposView on Github →
2020-05-18 13:38
src/algebra/ordered_group.lean
refactor(algebra): merge init_.algebra into algebra (#2707) …
Modified neg_nonneg_of_nonposView on Github →
2020-05-17 17:58
src/init_/algebra/ordered_group.lean
chore(*): bump to lean-3.13.1 (#2697) …
Added neg_nonneg_of_nonposView on Github →