Re: further horst-01 test case

> I believe we agreed on if semantics for subPropertyOf
>
> Does the following test case capture the lack of "only if"
>
>
> eg:p rdfs:range xsd:integer .
> eg:p rdfs:range xsd:string .
> eg:q rdf:type rdf:Property .
>
> does not entail (even with knowledge of xsd:integer and xsd:string)

OK

> eg:p rdfs:subPropertyOf eg:q .
>
> (but does in OWL Full).

pf.. the extension of p is the empty set
which is indeed a subset of any set
(will not immediately add such rules ;-))

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

Received on Thursday, 17 July 2003 13:23:33 UTC