∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C]
  {F : CategoryTheory.Functor CategoryTheory.Limits.WalkingReflexivePair C} {X : C}
  (π : F.obj CategoryTheory.Limits.WalkingReflexivePair.zero ⟶ X),
  CategoryTheory.CategoryStruct.comp (F.map CategoryTheory.Limits.WalkingReflexivePair.Hom.left) π =
      CategoryTheory.CategoryStruct.comp (F.map CategoryTheory.Limits.WalkingReflexivePair.Hom.right) π →
    CategoryTheory.CategoryStruct.comp (F.map CategoryTheory.Limits.WalkingReflexivePair.Hom.right) π =
      CategoryTheory.CategoryStruct.comp
        (CategoryTheory.CategoryStruct.comp (F.map CategoryTheory.Limits.WalkingReflexivePair.Hom.left) π)
        (((CategoryTheory.Functor.const CategoryTheory.Limits.WalkingReflexivePair).obj X).map
          CategoryTheory.Limits.WalkingReflexivePair.Hom.right)