∀ {α : Type u_1} {β : Type u_2} {ι : Type u_3} [inst : CommMonoid α] (f : ι → β → α) (g : β → α) (s : Set β)
  [inst_1 : UniformSpace α],
  HasProdUniformlyOn f g s = HasProd (⇑(UniformOnFun.ofFun {s}) ∘ f) ((UniformOnFun.ofFun {s}) g)