∀ {𝕜 : Type u_1} [inst : RCLike 𝕜] {n : Type u_2} [inst_1 : Fintype n] {A A_1 : Matrix n n 𝕜} (e_A : A = A_1)
  {inst_2 : DecidableEq n} [inst_3 : DecidableEq n] (hA : A.IsHermitian) (a a_1 : n),
  a = a_1 → hA.eigenvalues a = ⋯.eigenvalues a_1