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

From: Jeremy Carroll <jjc@hplb.hpl.hp.com>
Date: Mon, 04 Nov 2002 08:12:14 +0000
Message-ID: <3DC62BDE.60000@hpl.hp.com>
To: Patrick Stickler <patrick.stickler@nokia.com>
CC: w3c-rdfcore-wg@w3.org

Patrick Stickler wrote:

> Yes, I agree that the entailment holds.
> No, I don't think it is very useful as a test case.

It shows a non-trivial interaction between the definition of the datatype 
and entailment. This is crucially different from other entailments that we 
have approved for out test cases.


>># eg:foo rdfs:range xsd:boolean .
>># range not needed for entailment.
>><a:a> eg:foo "true"^^xsd:boolean .
>><a:a> eg:foo "false"^^xsd:boolean .
>><a:uri> rdf:type xsd:boolean .
>><a:a> eg:foo <a:uri> .
>>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.
Received on Monday, 4 November 2002 03:12:26 UTC

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