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<?xml version="1.0" encoding="UTF-8" ?>
<rdf:RDF
xml:base = "http://example.com/rsa_example.owl#"
xmlns:rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:owl="http://www.w3.org/2002/07/owl#"
>
<!--
A ⊑ D
A ⊑ ∃ S⁻.C
∃ S.A ⊑ D
D ⊑ ∃ R.B
B ⊑ ∃ S.D
R ⊑ T⁻
S ⊑ T
-->
<owl:Class rdf:ID="A">
<rdfs:subClassOf rdf:resource="#D" />
</owl:Class>
<owl:Class rdf:ID="A">
<rdfs:subClassOf>
<owl:Restriction>
<owl:onProperty>
<owl:ObjectProperty>
<owl:inverseOf rdf:resource="#S" />
</owl:ObjectProperty>
</owl:onProperty>
<owl:someValuesFrom>
<owl:Class rdf:about="#C" />
</owl:someValuesFrom>
</owl:Restriction>
</rdfs:subClassOf>
</owl:Class>
<owl:Restriction>
<owl:onProperty rdf:resource="#S"/>
<owl:someValuesFrom>
<owl:Class rdf:about="#A" />
</owl:someValuesFrom>
<rdfs:subClassOf rdf:resource="#D" />
</owl:Restriction>
<owl:Class rdf:ID="D">
<rdfs:subClassOf>
<owl:Restriction>
<owl:onProperty rdf:resource="#R"/>
<owl:someValuesFrom>
<owl:Class rdf:about="#B" />
</owl:someValuesFrom>
</owl:Restriction>
</rdfs:subClassOf>
</owl:Class>
<owl:Class rdf:ID="B">
<rdfs:subClassOf>
<owl:Restriction>
<owl:onProperty rdf:resource="#S"/>
<owl:someValuesFrom>
<owl:Class rdf:about="#D" />
</owl:someValuesFrom>
</owl:Restriction>
</rdfs:subClassOf>
</owl:Class>
<owl:ObjectProperty rdf:ID="R">
<rdfs:subPropertyOf>
<owl:ObjectProperty>
<owl:inverseOf rdf:resource="#T" />
</owl:ObjectProperty>
</rdfs:subPropertyOf>
</owl:ObjectProperty>
<owl:ObjectProperty rdf:ID="S">
<rdfs:subPropertyOf rdf:resource="#T" />
</owl:ObjectProperty>
</rdf:RDF>
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