Re: Guessing?
From: paul c <toledobysea_at_ac.ooyah>
Date: Tue, 08 Jul 2008 18:31:50 GMT
Message-ID: <qoOck.59314$kx.8365_at_pd7urf3no>
>
> No, g is just the name of the relation. Composition is usually written
> with some symbol like f*g.
Date: Tue, 08 Jul 2008 18:31:50 GMT
Message-ID: <qoOck.59314$kx.8365_at_pd7urf3no>
Bob Badour wrote:
> paul c wrote:
>
>> Bob Badour wrote: >> >>> paul c wrote: >> >> ... >> >>>> Since when does a predicate (ie., a conventional FOL predicate) >>>> mention a relation name? >>> >>> Usually when discussing the composition operator. f(g(x)) sort of thing. >>> >>>> (Surely relation names aren't anything but an implementation device.) >>> >>> I don't think I entirely agree. >> >> Is the mention of g(x) not equivalent to enumerating g(x)?
>
> No, g is just the name of the relation. Composition is usually written
> with some symbol like f*g.
Or is there another purpose? Received on Tue Jul 08 2008 - 20:31:50 CEST