∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  (S : CategoryTheory.ShortComplex C) [inst_2 : S.HasLeftHomology] [inst_3 : S.HasRightHomology] {Z : C}
  (h : S.opcycles ⟶ Z),
  CategoryTheory.CategoryStruct.comp S.leftHomologyπ
      (CategoryTheory.CategoryStruct.comp S.leftRightHomologyComparison
        (CategoryTheory.CategoryStruct.comp S.rightHomologyι h)) =
    CategoryTheory.CategoryStruct.comp S.iCycles (CategoryTheory.CategoryStruct.comp S.pOpcycles h)