∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  [CategoryTheory.Limits.HasZeroObject C] (X : C) (n : ℕ),
  HomologicalComplex.HasHomology (ChainComplex.alternatingConst.obj X) n