∀ {A : Type u_1} [inst : Ring A] [inst_1 : PartialOrder A] [inst_2 : StarRing A] [StarOrderedRing A]
  [inst_4 : TopologicalSpace A] [inst_5 : Algebra ℝ A] [ContinuousFunctionalCalculus ℝ A IsSelfAdjoint]
  [NonnegSpectrumClass ℝ A], ContinuousFunctionalCalculus NNReal A fun x => 0 ≤ x