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Theorem
Matrix.mul_eq_one_comm_of_equiv
Modification history
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.mul_eq_one_comm_of_equiv
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2024-09-25 19:13
Mathlib/LinearAlgebra/Matrix/NonsingularInverse.lean
feat: `Mᴴ * M = 1` when `M := a.toBasis.toMatrix b` (#17136) …
Added
Matrix.mul_eq_one_comm_of_equiv
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