Re: deductive databases
From: Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be>
Date: Fri, 20 May 2005 18:49:32 GMT
Message-ID: <0jqje.96619$Rk1.5615685_at_phobos.telenet-ops.be>
>
> True in what structure?
Date: Fri, 20 May 2005 18:49:32 GMT
Message-ID: <0jqje.96619$Rk1.5615685_at_phobos.telenet-ops.be>
Torkel Franzen wrote:
> Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be> writes:
>
>>"There exists a formula over two binary predicates R and S that is true >>iff S is the transitive closure of R."
>
> True in what structure?
- Jan Hidders