∀ {ι : Type u_3} {V : Type u_2} [inst : CategoryTheory.Category.{u_1, u_2} V] [inst_1 : CategoryTheory.Preadditive V]
  {c : ComplexShape ι} {C D E : HomologicalComplex V c} {f g : D ⟶ E} (h : Homotopy f g) (e : C ⟶ D) (i j : ι),
  ¬c.Rel j i → CategoryTheory.CategoryStruct.comp (e.f i) (h.hom i j) = 0