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Theorem neg_lt_sub_iff_lt_add

Modification history

2021-07-07 08:47
src/algebra/ordered_group.lean
refactor(algebra/ordered_group): another step in the `order` refactor -- ordered groups (#8060) …
Deleted neg_lt_sub_iff_lt_addView on Github →
2017-09-16 02:53
algebra/ordered_group.lean
feat(algebra): new algebra theorems (more iff)
Added neg_lt_sub_iff_lt_addView on Github →