∀ {C : Type u_1} {ι : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} C]
  [inst_1 : CategoryTheory.Category.{v_2, u_2} ι] [inst_2 : CategoryTheory.Limits.HasZeroObject C]
  [inst_3 : CategoryTheory.HasShift C ℤ] [inst_4 : CategoryTheory.Preadditive C]
  [inst_5 : ∀ (n : ℤ), (CategoryTheory.shiftFunctor C n).Additive] [inst_6 : CategoryTheory.Pretriangulated C]
  (X : CategoryTheory.Triangulated.SpectralObject C ι) {i j k : ι} (f : i ⟶ j) (g : j ⟶ k),
  (X.triangle f g).obj₁ = X.ω₁.obj (CategoryTheory.ComposableArrows.mk₁ f)