Proved zadd_left_commute and zmult_left_commute to define
zadd_ac and zmult_ac. Deleted add_cong, add_kill and add_left_commute_kill as
unused. Defined zadd_simps, zminus_simps, zmult_simps and added them to
integ_ss.
#! /bin/sh
#Make entire system using Standard ML of New Jersey
#Pathnames will have to be modified for your site
ISABELLEBIN=/homes/`whoami`/bin
ISABELLECOMP=sml
export ISABELLEBIN ISABELLECOMP
nohup make-all $*