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Theorem sub_eq_zero_iff_eq

Modification history

2021-03-23 15:29
src/algebra/group/basic.lean
chore(algebra/group/basic): dedup, add a lemma (#6810) …
Deleted sub_eq_zero_iff_eqView on Github →
2020-05-18 13:38
src/algebra/group/basic.lean
refactor(algebra): merge init_.algebra into algebra (#2707) …
Modified sub_eq_zero_iff_eqView on Github →
2020-05-17 17:58
src/init_/algebra/group.lean
chore(*): bump to lean-3.13.1 (#2697) …
Added sub_eq_zero_iff_eqView on Github →