<?xml version='1.0'?>
<!-- Resource Indication - Multiple Complement Of -->

<rdf:RDF
  xmlns:rdf ="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
  xmlns:xsd ="http://www.w3.org/2000/10/XMLSchema#"
  xmlns:daml="http://www.daml.org/2001/03/daml+oil#"
  xmlns     ="http://www.daml.org/validator/examples/cv8.daml#"
>

<!-- Should this be an error? - it is possible that the two
     classes are the same. -->

<daml:Class rdf:ID="GreenThings"/>
<daml:Class rdf:ID="RoundThings"/>

<daml:Class rdf:ID="SomeThings">
   <daml:complementOf rdf:resource="#GreenThings"/>
   <daml:complementOf rdf:resource="#RoundThings"/>
</daml:Class>

    
</rdf:RDF>