∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] (W : CategoryTheory.MorphismProperty C)
  {W' : CategoryTheory.MorphismProperty C} [W.HasOfPrecompProperty W'] {X Y Z : C} (f : X ⟶ Y) (g : Y ⟶ Z),
  W' f → W (CategoryTheory.CategoryStruct.comp f g) → W g