∀ {A : Type u₁} {B : Type u₂} {C : Type u₃} [inst : CategoryTheory.Category.{v₁, u₁} A]
  [inst_1 : CategoryTheory.Category.{v₂, u₂} B] [inst_2 : CategoryTheory.Category.{v₃, u₃} C]
  {F : CategoryTheory.Functor A B} {G : CategoryTheory.Functor C B} {A₁ : Type u₄} {B₁ : Type u₅} {C₁ : Type u₆}
  [inst_3 : CategoryTheory.Category.{v₄, u₄} A₁] [inst_4 : CategoryTheory.Category.{v₅, u₅} B₁]
  [inst_5 : CategoryTheory.Category.{v₆, u₆} C₁] {F₁ : CategoryTheory.Functor A₁ B₁} {G₁ : CategoryTheory.Functor C₁ B₁}
  {A₂ : Type u₇} {B₂ : Type u₈} {C₂ : Type u₉} [inst_6 : CategoryTheory.Category.{v₇, u₇} A₂]
  [inst_7 : CategoryTheory.Category.{v₈, u₈} B₂] [inst_8 : CategoryTheory.Category.{v₉, u₉} C₂]
  {F₂ : CategoryTheory.Functor A₂ B₂} {G₂ : CategoryTheory.Functor C₂ B₂} (X : Type u₇)
  [inst_9 : CategoryTheory.Category.{v₇, u₇} X] {ψ ψ' : CategoryTheory.Limits.CatCospanTransform F G F₁ G₁} (α : ψ ⟶ ψ')
  (φ : CategoryTheory.Limits.CatCospanTransform F₁ G₁ F₂ G₂),
  (CategoryTheory.Limits.CategoricalPullback.CatCommSqOver.transform X).map
      (CategoryTheory.Limits.CatCospanTransformMorphism.whiskerRight α φ) =
    CategoryTheory.CategoryStruct.comp
      (CategoryTheory.Limits.CategoricalPullback.CatCommSqOver.transformObjComp X ψ φ).hom
      (CategoryTheory.CategoryStruct.comp
        (CategoryTheory.Functor.whiskerRight
          ((CategoryTheory.Limits.CategoricalPullback.CatCommSqOver.transform X).map α)
          ((CategoryTheory.Limits.CategoricalPullback.CatCommSqOver.transform X).obj φ))
        (CategoryTheory.Limits.CategoricalPullback.CatCommSqOver.transformObjComp X ψ' φ).inv)