<http://purl.obolibrary.org/obo/RO_0002002> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> . <http://purl.obolibrary.org/obo/RO_0002002> <http://www.w3.org/2000/01/rdf-schema#label> "has 2D boundary"@en . <http://purl.obolibrary.org/obo/RO_0002002> <http://www.w3.org/2000/01/rdf-schema#domain> <http://purl.obolibrary.org/obo/BFO_0000040> . <http://purl.obolibrary.org/obo/RO_0002002> <http://www.w3.org/2000/01/rdf-schema#range> <http://purl.obolibrary.org/obo/BFO_0000141> . <http://purl.obolibrary.org/obo/RO_0002002> <http://purl.obolibrary.org/obo/IAO_0000115> "a relation between a material entity and a 2D immaterial entity (the boundary), in which the boundary delimits the material entity"@en . <http://purl.obolibrary.org/obo/RO_0002002> <http://purl.obolibrary.org/obo/IAO_0000112> "my body has 2D boundary the surface of my skin"@en . <http://purl.obolibrary.org/obo/RO_0002002> <http://purl.obolibrary.org/obo/IAO_0000116> "A 2D boundary may have holes and gaps, but it must be a single connected entity, not an aggregate of several disconnected parts."@en . <http://purl.obolibrary.org/obo/RO_0002002> <http://purl.obolibrary.org/obo/IAO_0000116> "Although the boundary is two-dimensional, it exists in three-dimensional space and thus has a 3D shape."@en . <http://purl.obolibrary.org/obo/RO_0002002> <http://purl.obolibrary.org/obo/IAO_0000118> "has boundary"@en . <http://purl.obolibrary.org/obo/RO_0002002> <http://purl.obolibrary.org/obo/IAO_0000118> "has_2D_boundary"@en . <http://purl.obolibrary.org/obo/RO_0002002> <http://purl.obolibrary.org/obo/RO_0001900> <http://purl.obolibrary.org/obo/RO_0001901> . <http://purl.obolibrary.org/obo/RO_0002000> <http://www.w3.org/2002/07/owl#inverseOf> <http://purl.obolibrary.org/obo/RO_0002002> .