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

From: pat hayes <phayes@ihmc.us>
Date: Mon, 8 Sep 2003 10:15:17 -0700
Message-Id: <p06001f0cbb82696f7440@[192.168.1.2]>
To: Dan Brickley <danbri@w3.org>
Cc: w3c-rdfcore-wg@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 ?

Good catch, but we have imposed reflexivitiy of subClassOf, so its still true.

Pat

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Received on Monday, 8 September 2003 13:19:11 EDT

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