Theorem isUnit_mul_self_iff

Modification history

2024-01-09 09:25
Mathlib/Algebra/Group/Commute/Units.lean
feat: `a / b = c / d ↔ a * d = c * b` when `b`, `d` commute (#9389) …
Modified isUnit_mul_self_iffView on Github →
2023-09-11 18:53
Mathlib/Algebra/Group/Commute/Defs.lean
chore: split Algebra.Semiconj and Algebra.Commute (#7098)
Modified isUnit_mul_self_iffView on Github →
2022-11-28 02:06
Mathlib/Algebra/Group/Commute.lean
feat(Algebra/Ring/Commute): port file (#759) …
Added isUnit_mul_self_iffView on Github →