∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  {S₁ S₂ : CategoryTheory.ShortComplex C} (h₁ : S₁.RightHomologyData) (h₂ : S₂.RightHomologyData),
  (CategoryTheory.ShortComplex.RightHomologyMapData.zero h₁ h₂).φQ = 0