<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:obo_purl="http://purl.obolibrary.org/obo/" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
<owl:NamedIndividual rdf:about="http://purl.obolibrary.org/obo/IAO_0000410">
<rdf:type rdf:resource="http://purl.obolibrary.org/obo/IAO_0000409"/>
<rdfs:label>universal</rdfs:label>
<obo_purl:IAO_0000117>Alan Ruttenberg</obo_purl:IAO_0000117>
<obo_purl:IAO_0000116>Hard to give a definition for. Intuitively a "natural kind" rather than a collection of any old things, which a class is able to be, formally. At the meta level, universals are defined as positives, are disjoint with their siblings, have single asserted parents.</obo_purl:IAO_0000116>
<obo_purl:IAO_0000119>A Formal Theory of Substances, Qualities, and Universals, http://ontology.buffalo.edu/bfo/SQU.pdf</obo_purl:IAO_0000119>
</owl:NamedIndividual>
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<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:obo_purl="http://purl.obolibrary.org/obo/" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
<owl:NamedIndividual rdf:about="http://purl.obolibrary.org/obo/IAO_0000410">
<rdf:type rdf:resource="http://purl.obolibrary.org/obo/IAO_0000409"/>
<rdfs:label>universal</rdfs:label>
<obo_purl:IAO_0000117>Alan Ruttenberg</obo_purl:IAO_0000117>
<obo_purl:IAO_0000116>Hard to give a definition for. Intuitively a "natural kind" rather than a collection of any old things, which a class is able to be, formally. At the meta level, universals are defined as positives, are disjoint with their siblings, have single asserted parents.</obo_purl:IAO_0000116>
<obo_purl:IAO_0000119>A Formal Theory of Substances, Qualities, and Universals, http://ontology.buffalo.edu/bfo/SQU.pdf</obo_purl:IAO_0000119>
</owl:NamedIndividual>
</rdf:RDF>