Theorem Equiv.Perm.ofSign_disjoint

Modification history

2024-12-11 06:10
Mathlib/GroupTheory/Perm/Sign.lean
feat(LinearAlgebra/Matrix): Prove `A * B = 1 ↔ B * A = 1` for square matrices over a commutative semiring (#19581) …
Added Equiv.Perm.ofSign_disjointView on Github →