∀ {C : Type uC} [inst : CategoryTheory.Category.{uC', uC} C] {W : CategoryTheory.MorphismProperty C} {D : Type uD}
  [inst_1 : CategoryTheory.Category.{uD', uD} D] (G₁ G₂ : CategoryTheory.Functor W.Localization D),
  W.Q.comp G₁ = W.Q.comp G₂ → G₁ = G₂