∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  {S₁ S₂ : CategoryTheory.ShortComplex C} (e : S₁ ≅ S₂) (h₁ : S₁.LeftHomologyData) (h₂ : S₂.LeftHomologyData),
  (CategoryTheory.ShortComplex.leftHomologyMapIso' e h₁ h₂).inv =
    CategoryTheory.ShortComplex.leftHomologyMap' e.inv h₂ h₁