∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  (S : CategoryTheory.ShortComplex C) (hg : S.g = 0) (c : CategoryTheory.Limits.CokernelCofork S.f)
  (hc : CategoryTheory.Limits.IsColimit c),
  (CategoryTheory.ShortComplex.LeftHomologyData.ofIsColimitCokernelCofork S hg c hc).H = c.pt