∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {J : Type w} [inst_1 : PartialOrder J] {j : J}
  (F F_1 : CategoryTheory.Functor (↑(Set.Iic j)) C),
  F = F_1 →
    ∀ {i : J} (hi : i ≤ j),
      CategoryTheory.SmallObject.restrictionLT F hi = CategoryTheory.SmallObject.restrictionLT F_1 hi