TestCase:WebOnt-FunctionalProperty-004

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Test Id WebOnt-FunctionalProperty-004
Description If the range of prop is a singleton set then it is necessarily functional, (i.e. every member of its domain

has a single value) and so it is an owl:FunctionalProperty.

Status Proposed (2009-06-10)
Author Jeremy J. Carroll
Original syntax RDF-XML
Syntactic Species/Profile OWL 2 Full (EL profile assertion missing, QL profile assertion missing, RL profile assertion missing)
Semantics This test is applicable under the RDF-based semantics. It should not be considered under the direct semantics because it does not satisfy the syntactic constraints of OWL 2 DL.
WebOnt test http://www.w3.org/2002/03owlt/FunctionalProperty/Manifest004#test
Premise ontology (download)

Convert syntax: functional, XML, Manchester      This informative conversion will be incorrect for OWL 2 Full. info.pngConversions are provided by the OWL Syntax Converter which tries to "repair" OWL 2 Full inputs to become DL.
Open in RDF Validator

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:owl ="http://www.w3.org/2002/07/owl#"  
  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
  xml:base="http://www.w3.org/2002/03owlt/FunctionalProperty/premises004" >
    <owl:ObjectProperty rdf:ID="prop">
      <rdfs:range rdf:resource="#Singleton"/>
    </owl:ObjectProperty>
    <rdfs:Class rdf:ID="Singleton">
      <owl:oneOf rdf:parseType="Collection">
          <rdf:Description/>
      </owl:oneOf>
    </rdfs:Class>
</rdf:RDF>
Conclusion ontology (download)

Convert syntax: functional, XML, Manchester      This informative conversion will be incorrect for OWL 2 Full. info.pngConversions are provided by the OWL Syntax Converter which tries to "repair" OWL 2 Full inputs to become DL.
Open in RDF Validator

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:owl ="http://www.w3.org/2002/07/owl#"
  xml:base="http://www.w3.org/2002/03owlt/FunctionalProperty/conclusions004" >
    <owl:FunctionalProperty rdf:about="premises004#prop"/>
</rdf:RDF>
Imported ontologies none
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