reserve a,a1,a2,v,v1,v2,x for object;
reserve V,A for set;
reserve m,n for Nat;
reserve S,S1,S2 for FinSequence;
reserve D,D1,D2 for NonatomicND of V,A;

theorem
  {} in ND(V,A)
  proof
    {} is NonatomicND of V,A by Th30;
    hence thesis;
  end;
