∀ {C : Type u_3} {D : Type u_4} [inst : CategoryTheory.Category.{u_1, u_3} C]
  [inst_1 : CategoryTheory.Category.{u_2, u_4} D] {P : CategoryTheory.MorphismProperty D}
  {Q : CategoryTheory.MorphismProperty C} {F : CategoryTheory.Functor C D} {X : D} {A B : P.CostructuredArrow Q F X},
  A.right = B.right