more markup for inner and outer syntax;
added enclose;
(* Title: HOL/ZF/MainZF.thy ID: $Id$ Author: Steven Obua Starting point for using HOLZF. See "Partizan Games in Isabelle/HOLZF", available from http://www4.in.tum.de/~obua/partizan*)theory MainZFimports Zet LProdbeginend