∀ (C : Type u_1) (A : Type u_3) [inst : CategoryTheory.Category.{u_2, u_1} C] [inst_1 : AddMonoid A]
  (F : A → CategoryTheory.Functor C C) (n : A) (X : C),
  (F (n + 0)).obj X = (CategoryTheory.Functor.id C).obj ((F n).obj X)