Re: A datatype entailment - this should be a testcase?

> # eg:foo rdfs:range xsd:boolean .
> # range not needed for entailment.
> <a:a> eg:foo "true"^^xsd:boolean .

at first I thought that <a:a> was wrong syntax
but it is right as a could be a URI scheme

> <a:a> eg:foo "false"^^xsd:boolean .
> <a:uri> rdf:type xsd:boolean .
>
> entails
>
> <a:a> eg:foo <a:uri> .
>
>
> Description:
>
> We don't know which value <a:uri> has, but since it belongs to a finite
> class, and both members of that class are in the eg:foo relationship to
> <a:a>, then <a:uri> must be.

I see, it indeed holds (although we can't prove yet mechanically)

-- ,
Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/