<?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:ObjectProperty rdf:about="http://purl.obolibrary.org/obo/RO_0002000"> <owl:inverseOf rdf:resource="http://purl.obolibrary.org/obo/RO_0002002"/> <obo_purl:IAO_0000115 xml:lang="en">a relation between a 2D immaterial entity (the boundary) and a material entity, in which the boundary delimits the material entity</obo_purl:IAO_0000115> <rdfs:label xml:lang="en">2D boundary of</rdfs:label> <obo_purl:IAO_0000116 xml:lang="en">A 2D boundary may have holes and gaps, but it must be a single connected entity, not an aggregate of several disconnected parts.</obo_purl:IAO_0000116> <obo_purl:IAO_0000116 xml:lang="en">Although the boundary is two-dimensional, it exists in three-dimensional space and thus has a 3D shape.</obo_purl:IAO_0000116> <obo_purl:IAO_0000118 xml:lang="en">is 2D boundary of</obo_purl:IAO_0000118> <obo_purl:IAO_0000118 xml:lang="en">2D_boundary_of</obo_purl:IAO_0000118> <obo_purl:IAO_0000118 xml:lang="en">is boundary of</obo_purl:IAO_0000118> <obo_purl:IAO_0000118 xml:lang="en">boundary of</obo_purl:IAO_0000118> <obo_purl:IAO_0000112 xml:lang="en">the surface of my skin is a 2D boundary of my body</obo_purl:IAO_0000112> <obo_purl:RO_0001900 rdf:resource="http://purl.obolibrary.org/obo/RO_0001901"/> </owl:ObjectProperty> </rdf:RDF>
<?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:ObjectProperty rdf:about="http://purl.obolibrary.org/obo/RO_0002000">
    <owl:inverseOf rdf:resource="http://purl.obolibrary.org/obo/RO_0002002"/>
    <obo_purl:IAO_0000115 xml:lang="en">a relation between a 2D immaterial entity (the boundary) and a material entity, in which the boundary delimits the material entity</obo_purl:IAO_0000115>
    <rdfs:label xml:lang="en">2D boundary of</rdfs:label>
    <obo_purl:IAO_0000116 xml:lang="en">A 2D boundary may have holes and gaps, but it must be a single connected entity, not an aggregate of several disconnected parts.</obo_purl:IAO_0000116>
    <obo_purl:IAO_0000116 xml:lang="en">Although the boundary is two-dimensional, it exists in three-dimensional space and thus has a 3D shape.</obo_purl:IAO_0000116>
    <obo_purl:IAO_0000118 xml:lang="en">is 2D boundary of</obo_purl:IAO_0000118>
    <obo_purl:IAO_0000118 xml:lang="en">2D_boundary_of</obo_purl:IAO_0000118>
    <obo_purl:IAO_0000118 xml:lang="en">is boundary of</obo_purl:IAO_0000118>
    <obo_purl:IAO_0000118 xml:lang="en">boundary of</obo_purl:IAO_0000118>
    <obo_purl:IAO_0000112 xml:lang="en">the surface of my skin is a 2D boundary of my body</obo_purl:IAO_0000112>
    <obo_purl:RO_0001900 rdf:resource="http://purl.obolibrary.org/obo/RO_0001901"/>
  </owl:ObjectProperty>
</rdf:RDF>