Put in minimal simpset to avoid excessive simplification,
just as in revision 1.9 of HOL/indrule.ML
(* Title: HOLCF/HOLCF.ML
ID: $Id$
Author: Franz Regensburger
Copyright 1993 Technische Universitaet Muenchen
*)
open HOLCF;
Addsimps (one_when @ dist_less_one @ dist_eq_one @ dist_less_tr @ dist_eq_tr
@ tr_when @ andalso_thms @ orelse_thms @ neg_thms @ ifte_thms);
val HOLCF_ss = !simpset;