∀ {C : Type u_1} {D : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} C]
  [inst_1 : CategoryTheory.Category.{v_2, u_2} D] {W : CategoryTheory.MorphismProperty C} {X Y : C}
  (φ : W.RightFraction X Y) (L : CategoryTheory.Functor C D) (hL : W.IsInvertedBy L), (φ.map L hL).op = φ.op.map L.op ⋯