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Copyright World Wide Web Consortium, (Massachusetts Institute of
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Technology, European Research Consortium for Informatics and
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Mathematics, Keio University).
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Please see the full Copyright clause at
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<http://www.w3.org/Consortium/Legal/copyright-software.html>
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If the class extension of x is known to be a subset
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of the class extension of y then x is not known to
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be an rdfs:subClassOf y (unless operating in
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a semantic extension to RDFS with extensional
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http://www.w3.org/2001/sw/RDFCore/20030123-issues/#horst-01
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Author: Herman ter Horst
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$Id: test002.rdf,v 1.1 2003/07/18 05:21:30 jcarroll Exp $
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<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
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<rdf:Description rdf:about="http://example.org/x">
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<rdfs:subClassOf rdf:resource="http://example.org/y"/>