∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Preadditive C]
  [inst_2 : CategoryTheory.Limits.HasFiniteCoproducts C] (X : ChainComplex C ℕ) (Δ : SimplexCategoryᵒᵖ),
  (AlgebraicTopology.DoldKan.Γ₀.obj X).obj Δ = AlgebraicTopology.DoldKan.Γ₀.Obj.obj₂ X Δ