∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  (S : CategoryTheory.ShortComplex C) [inst_2 : S.HasHomology],
  (CategoryTheory.ShortComplex.LeftHomologyData.canonical S).H = S.homology