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uncaught exception: error(existence_error(procedure,(:-)/2),top_level/0)


From: Eric Noack
Subject: uncaught exception: error(existence_error(procedure,(:-)/2),top_level/0)
Date: Thu, 8 May 2003 19:33:25 +0200

i compiled and installed gnu prolog 1.2.16 on gentoo linux 1.4
and am wondering why :

address@hidden me $ gprolog
GNU Prolog 1.2.16
By Daniel Diaz
Copyright (C) 1999-2002 Daniel Diaz
| ?- laberbla(Bla) :-
Bla+3.
uncaught exception: error(existence_error(procedure,(:-)/2),top_level/0)
| ?- halt.
address@hidden raven $

is it me being stupid? is it a bug during compilation missing some libs (didnt 
see any errors)
or is it gnu prolog missing some really unimportant feature nobody might ever 
miss?

i tryed several other valid and invalid combinations using :- , --> and such. 
all with
existence_error(procedure(the operator i used) ...

does anyone know  what could cause this?


Eric





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