Auto_tac: now uses enhanced version of asm_full_simp_tac,
Force_tac: replaced fast_tac by best_tac
(* Title: HOLCF/ssum2.thy
ID: $Id$
Author: Franz Regensburger
Copyright 1993 Technische Universitaet Muenchen
Class Instance ++::(pcpo,pcpo)po
*)
Ssum2 = Ssum1 +
instance "++"::(pcpo,pcpo)po (refl_less_ssum,antisym_less_ssum,trans_less_ssum)
end