∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  {S : CategoryTheory.ShortComplex C} (h : S.HomologyData) [inst_2 : S.HasHomology],
  h.right.homologyIso = h.left.homologyIso ≪≫ h.iso