∀ {𝕜 : Type u_3} [inst : RCLike 𝕜] {n : Type u_4} [inst_1 : Fintype n] {A A_1 : Matrix n n 𝕜} (e_A : A = A_1)
  [inst_2 : DecidableEq n] (hA : A.IsHermitian), hA.eigenvectorUnitary = ⋯.eigenvectorUnitary