∀ {R : Type u_1} {A : Type u_2} [inst : CommSemiring R] [inst_1 : StarRing R] [inst_2 : MetricSpace R]
  [inst_3 : IsTopologicalSemiring R] [inst_4 : ContinuousStar R] [inst_5 : TopologicalSpace A] [inst_6 : Ring A]
  [inst_7 : StarRing A] [inst_8 : Algebra R A] [inst_9 : LE A]
  [inst_10 : ContinuousFunctionalCalculus R A fun x => 0 ≤ x] {f : R → R} {a : A}, (0 ≤ cfc f a) = True