_:b665806993 <http://purl.obolibrary.org/obo/IAO_0010000> <http://purl.obolibrary.org/obo/bfo/axiom/033-001> . _:b665806993 <http://www.w3.org/2007/05/powder-s#describedby> <http://localhost:8890/about/id/entity/http/purl.obolibrary.org/obo/obi.owl> . _:b665806993 <http://www.w3.org/2002/07/owl#annotatedProperty> <http://purl.obolibrary.org/obo/IAO_0000600> . _:b665806993 <http://www.w3.org/2002/07/owl#annotatedSource> <http://purl.obolibrary.org/obo/BFO_0000146> . _:b665806993 <http://www.w3.org/2002/07/owl#annotatedTarget> "a two-dimensional continuant fiat boundary (surface) is a self-connected fiat surface whose location is defined in relation to some material entity. (axiom label in BFO2 Reference: [033-001])"@en . _:b665806993 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Axiom> .