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n6http://www.referent-tracking.com/_RTU/papers/CeustersICbookRevised.
n3http://purl.obolibrary.org/obo/
n4http://purl.obolibrary.org/obo/bfo/axiom/
wdrshttp://www.w3.org/2007/05/powder-s#
rdfshttp://www.w3.org/2000/01/rdf-schema#
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rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
owlhttp://www.w3.org/2002/07/owl#
xsdhhttp://www.w3.org/2001/XMLSchema#
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_:vb667726735
rdf:type
owl:Axiom
rdfs:comment
per discussion with Barry Smith
rdfs:seeAlso
n6:pdf
wdrs:describedby
n8:owl
owl:annotatedProperty
n3:IAO_0000116
owl:annotatedSource
n3:BFO_0000001
owl:annotatedTarget
Entity doesn't have a closure axiom because the subclasses don't necessarily exhaust all possibilites. For example Werner Ceusters 'portions of reality' include 4 sorts, entities (as BFO construes them), universals, configurations, and relations. It is an open question as to whether entities as construed in BFO will at some point also include these other portions of reality. See, for example, 'How to track absolutely everything' at http://www.referent-tracking.com/_RTU/papers/CeustersICbookRevised.pdf
n3:IAO_0010000
n4:0000004