∀ {A : Type u_2} [inst : Ring A] [inst_1 : StarRing A] [inst_2 : TopologicalSpace A] [inst_3 : Algebra ℝ A]
  [inst_4 : ContinuousFunctionalCalculus ℝ A IsSelfAdjoint] [inst_5 : PartialOrder A] [inst_6 : StarOrderedRing A]
  [inst_7 : NonnegSpectrumClass ℝ A] [IsTopologicalRing A] [T2Space A] [StarModule ℝ A] (n : ℕ)
  [inst_11 : n.AtLeastTwo], CFC.abs (OfNat.ofNat n) = OfNat.ofNat n