<?xml version="1.0"?>
<rdf:RDF xmlns="http://purl.obolibrary.org/obo/upstream.owl#"
     xml:base="http://purl.obolibrary.org/obo/upstream.owl"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
     xmlns:owl="http://www.w3.org/2002/07/owl#"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns:oboInOwl="http://www.geneontology.org/formats/oboInOwl#">
    <owl:Ontology rdf:about="http://purl.obolibrary.org/obo/upstream.owl"/>
    
    


    <!-- 
    ///////////////////////////////////////////////////////////////////////////////////////
    //
    // Classes
    //
    ///////////////////////////////////////////////////////////////////////////////////////
     -->

    


    <!-- http://purl.obolibrary.org/obo/Y_0 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/Y_0">
    </owl:Class>
    


    <!-- http://purl.obolibrary.org/obo/Y_1 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/Y_1">
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/Y_0"/>
    </owl:Class>
    


    <!-- http://purl.obolibrary.org/obo/Y_2 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/Y_2">
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/Y_1"/>
    </owl:Class>
    


    <!-- http://purl.obolibrary.org/obo/Y_3 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/Y_3">
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/Y_2"/>
    </owl:Class>
    


    <!-- http://purl.obolibrary.org/obo/Y_4 -->

    <owl:Class rdf:about="http://purl.obolibrary.org/obo/Y_4">
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/Y_3"/>
    </owl:Class>
</rdf:RDF>



<!-- Generated by the OWL API (version 0.2.1-SNAPSHOT) http://owlapi.sourceforge.net -->

