`BookProof.AbelianDiagonal.vonNeumann_abelian_typeI_case` : Function.Injective (diagonalStarAlgHom : (n → ℂ) →⋆ₐ[ℂ] Matrix n n ℂ) ∧ (∀ d e : n → ℂ, Matrix.diagonal d *...

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`BookProof.AbelianDiagonal.vonNeumann_abelian_typeI_case` : Function.Injective (diagonalStarAlgHom : (n → ℂ) →⋆ₐ[ℂ] Matrix n n ℂ) ∧ (∀ d e : n → ℂ, Matrix.diagonal d *... · Prove2Me