Theorem abs_eq_neg_self

Modification history

2023-10-30 03:57
Mathlib/Algebra/Order/Group/Abs.lean
refactor: generalize Abs lemmas from rings to groups (#7976) …
Modified abs_eq_neg_selfView on Github →
2022-12-10 13:41
Mathlib/Algebra/Order/Ring/Abs.lean
feat port: Algebra.Order.Ring.Abs (#929) …
Added abs_eq_neg_selfView on Github →