∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} [inst : CommGroup α] [inst_1 : UniformSpace α] [IsUniformGroup α]
  [CompleteSpace α] {f : β × γ → α}, Multipliable f → ∀ (b : β), Multipliable fun c => f (b, c)