{R : Type u_1} →
  {m : Type u_3} →
    {α : Type u_5} →
      [inst : Fintype m] →
        [inst_1 : RCLike α] →
          [inst_2 : DecidableEq m] → [inst_3 : NormedField R] → [NormedAlgebra R α] → NormedAlgebra R (Matrix m m α)