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Re: possible peculiarity with empty datatypes

From: pat hayes <phayes@ihmc.us>
Date: Mon, 7 Jul 2003 21:39:33 -0500
Message-Id: <p0600125abb2fddecacc2@[10.0.100.7]>
To: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>
Cc: www-rdf-comments@w3.org

>Hi:
>
>A datatype, d, with an empty value space may end up in an unusual state
>because it has no instances, and thus would not trigger any
>	x rdf:type d
>semantic conditions (assuming that such semantic conditions are included in
>RDFS).

My own sense is that there should be no such datatype. I will add 
this to the required conditions for a datatype, ie that the value 
space is nonempty.

Pat

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Received on Monday, 7 July 2003 22:39:37 GMT

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