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Comment on Last Call Working Draft of RDF Semantics document concerning RDFS closure rules

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Fri, 24 Jan 2003 17:19:45 -0500
To: www-rdf-comments@w3.org
Message-id: <3E31BC01.6050309@research.bell-labs.com>


The closure rules for RDFS are incomplete.  For example,
    ex:foo ex:prop "a" .
RDFS-entails
    ex:foo ex:prop _:x .
    _:x rdf:type rdfs:Resource .
However, this does not come out of the RDFS closure rules.
This means that the RDFS entailment lemma is false.
Received on Friday, 24 January 2003 17:20:22 GMT

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