:- phrase(list(Es), Xs0,Xs).
:- phrase(list(Es), Es,Es).
@@	% Es = [].
@@	! Ausführung dauert zu lang, Antwort unvollständig
list([]) -->
	[].
list([E|Es]) -->
	[E],
	list(Es).
-----         n599 ------------------------
The first goal is probably understandable. But what about the second goal. Why is it so that this goal does not terminate?
**NEXT:Ask the lecturer.
[logprog|GUPU|UWN]