∀ {m : Type u_1} {𝔸 : Type u_4} [inst : Fintype m] [inst_1 : DecidableEq m] [inst_2 : Ring 𝔸]
  [inst_3 : TopologicalSpace 𝔸] [inst_4 : IsTopologicalRing 𝔸] [T2Space 𝔸] [inst_6 : StarRing 𝔸] [ContinuousStar 𝔸]
  {A : Matrix m m 𝔸}, A.IsHermitian → (NormedSpace.exp A).IsHermitian