Theorem Matrix.exists_left_inverse_iff_isUnit

Modification history

2026-07-15 16:59
Mathlib/LinearAlgebra/Matrix/SemiringInverse.lean
chore: delete deprecated declarations to the end of 2025 (#41178) …
Deleted Matrix.exists_left_inverse_iff_isUnitView 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.exists_left_inverse_iff_isUnitView on Github →
2023-12-08 12:43
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
feat: Invertible matrices (#8219) …
Added Matrix.exists_left_inverse_iff_isUnitView on Github →