∀ {C : Type u_1} [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.Abelian C]
  (X : CategoryTheory.SimplicialObject C) (n : ℕ),
  AlgebraicTopology.NormalizedMooreComplex.objX X n.succ =
    Finset.univ.inf fun k => CategoryTheory.Limits.kernelSubobject (X.δ k.succ)