Re: discontiguous predicate

[carlos calderon]

yeap...

cheers, Ali
----- Original Message -----
From: "ED-DBALI AbdelAli" <address@hidden>
To: "Luis Quintano" <address@hidden>
Cc: <address@hidden>
Sent: Friday, May 04, 2001 12:42 PM
Subject: Re: discontiguous predicate


> Luis Quintano wrote:
>
> > You should do
> >
> > discontiguous(female/1)
>
> discontigous is a directive. To be executed, it must be given as a goal.
> The correct text is:
>
> :- discontiguous(female/1).
> female(joan).
> male(david).
> male(paul).
> female(rachel).
>
> Regards, Ali.
>
> > On 04 May 2001 11:42:31 +0100, carlos calderon wrote:
> > > hi all,
> > >
> > > I've got a simple list of facts,  i.e:
> > >
> > > female(joan).
> > > male(david).
> > > male(paul).
> > > female(rachel).
> > >
> > > Well, if i try to compile this, it gives me a warning: discontiguous
predicate female/1.
> > > Ok, I can change the order of my predicate to make them "contiguous"
but that's not a proper solution.
> > > I went to the gnu_prolog manual, pag-42 section 5.1.5 and based upon
that I thought this might work:
> > > discontiguous(female).
> > > female(joan).
> > > male(david).
> > > male(paul).
> > > female(rachel).
> > >
> > > but it didn't. I got the same warning.
> > >
> > > Again, apologies if the question has been answered before but I am new
to the list and on the steep end of prolog's learning curve.
> > >
> > > -Carlos
>
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