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Theorem sub_neg_eq_add

Modification history

2021-11-30 15:07
src/algebra/group/basic.lean
refactor(algebra/group/basic): Migrate `add_group` section into `group` section (#10532)
Deleted sub_neg_eq_addView on Github →
2020-05-18 13:38
src/algebra/group/basic.lean
refactor(algebra): merge init_.algebra into algebra (#2707) …
Modified sub_neg_eq_addView on Github →
2020-05-17 17:58
src/init_/algebra/group.lean
chore(*): bump to lean-3.13.1 (#2697) …
Added sub_neg_eq_addView on Github →