src/ZF/Constructible/ROOT.ML

simplify some proofs

(*  Title:      ZF/Constructible/ROOT.ML
    ID:         $Id$
    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
    Copyright   2002  University of Cambridge

Inner Models, Absoluteness and Consistency Proofs
*)

use_thy "DPow_absolute";
use_thy "AC_in_L";
use_thy "Rank_Separation";