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Re: Bug in MT?

From: pat hayes <phayes@ai.uwf.edu>
Date: Mon, 9 Dec 2002 18:16:47 -0600
Message-Id: <p05111b2fba1ae28537b1@[]>
To: "Patrick Stickler" <patrick.stickler@nokia.com>
Cc: w3c-rdfcore-wg@w3.org

>The MT states:
>    rdfs:Datatype rdfs:subClassOf rdfs:Literal .
>This doesn't seem correct to me.

Indeed, that is an old bug that should have been corrected, thanks 
for noticing. In fact I thought it had been corrected, so maybe it 
sneaked back in in a bad edit somewhere. I will check more carefully.

>Is the datatype class xsd:integer an instance of rdfs:Literal?
>I don't think so.
>Note that xsd:integer is not rdfs:subClassOf rdfs:Datatype, but
>is rdf:type rdfs:Datatype, so if the above assertion is intending
>to say that "10"^^xsd:integer is rdf:type rdfs:Literal then
>that's not right.
>Rather, what we need is a closure rule such as:
>    ddd rdf:type rdfs:Datatype .
>    ddd rdfs:subClassOf rdfs:Literal .

Right, indeed. I will fix this. Sorry.


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Received on Monday, 9 December 2002 19:17:17 UTC

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