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2003-09-05 Semantics bug? "All classes are subclasses of themselves."

From: Dan Brickley <danbri@w3.org>
Date: Mon, 8 Sep 2003 06:49:22 -0400
To: pat hayes <phayes@ihmc.us>
Cc: w3c-rdfcore-wg@w3.org
Message-ID: <20030908104922.GD17159@w3.org>

http://www.w3.org/TR/rdf-mt/#technote (informative) states,

...ends with:
 "Notice that the question of whether or not a class contains itself as
 a member is quite different from the question of whether or not it is a
 subclass of itself. All classes are subclasses of themselves."

Isn't this last observation a remnant of the old iff/extension version
of rdfs:subClassOf ?

Dan
Received on Monday, 8 September 2003 06:49:25 EDT

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