∀ {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] {J : CategoryTheory.Limits.MultispanShape}
  (d : CategoryTheory.Limits.MultispanIndex J C) (F : CategoryTheory.Functor C D) (i : J.R),
  (d.map F).right i = F.obj (d.right i)