new datatype theory, supports 'draft theories' and incremental extension:
add_classes, add_defsort, add_types, add_tyabbrs, add_tyabbrs_i,
add_arities, add_consts, add_consts_i, add_syntax, add_syntax_i,
add_trfuns, add_trrules, add_axioms, add_axioms_i, add_thyname;
added merge_thy_list for multiple merges and extend-merges;
added rep_theory, subthy, eq_thy, cert_axm, read_axm;
changed type of axioms_of;
renamed internal merge_theories to merge_thm_sgs;
various internal changes of thm and theory related code;
#! /bin/sh
#Make entire system using Poly/ML
#Pathnames will have to be modified for your site
ML_DBASE=/usr/groups/theory/poly/`arch`/ML_dbase
ISABELLEBIN=/homes/`whoami`/bin
ISABELLECOMP="poly -noDisplay -h 15000"
ISABELLEMAKE=Makefile
export ML_DBASE ISABELLEBIN ISABELLECOMP ISABELLEMAKE
nohup make-all $*