∀ {X : Type u_3} {Y : Type u_1} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y] (A : Type u_2)
  [inst_2 : TopologicalSpace A] [inst_3 : Semiring A] [inst_4 : IsTopologicalSemiring A] (f : C(X, Y))
  (x x_1 : C(Y, A)), (x + x_1).comp f = (x + x_1).comp f