∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  {S₁ S₂ : CategoryTheory.ShortComplex C} {φ : S₁ ⟶ S₂} {h₁ : S₁.RightHomologyData} {h₂ : S₂.RightHomologyData}
  (ψ : CategoryTheory.ShortComplex.RightHomologyMapData φ h₁ h₂),
  CategoryTheory.CategoryStruct.comp h₂.op.f' ψ.φQ.op =
    CategoryTheory.CategoryStruct.comp (CategoryTheory.ShortComplex.opMap φ).τ₁ h₁.op.f'