Theorem Matrix.isUnit_of_left_inverse

Modification history

2026-07-15 16:59
Mathlib/LinearAlgebra/Matrix/SemiringInverse.lean
chore: delete deprecated declarations to the end of 2025 (#41178) …
Deleted Matrix.isUnit_of_left_inverseView on Github →
2024-12-11 06:10
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
feat(LinearAlgebra/Matrix): Prove `A * B = 1 ↔ B * A = 1` for square matrices over a commutative semiring (#19581) …
Modified Matrix.isUnit_of_left_inverseView on Github →
2023-08-16 09:33
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
refactor(Data/Matrix): Eliminate `⬝` notation in favor of `HMul` (#6487) …
Modified Matrix.isUnit_of_left_inverseView on Github →
2023-04-25 15:53
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
feat: port LinearAlgebra.Matrix.NonsingularInverse (#3647)
Added Matrix.isUnit_of_left_inverseView on Github →