Theorem mul_right_ne_self

Modification history

2025-03-13 23:54
Mathlib/Algebra/Group/Basic.lean
chore(Algebra/Group/Basic): rename mul_right_eq_self to mul_eq_left etc (#22587) …
Deleted mul_right_ne_selfView on Github →
2023-04-29 16:26
Mathlib/Algebra/Group/Basic.lean
feat: `a * b ≠ b ↔ a ≠ 1` (#3726) …
Added mul_right_ne_selfView on Github →