PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It would be logically incoherent for someone to ask that we discuss the kinds of universe where this might be possible, because all such discussion would be a waste of time: squares have four sides by definition, so there is no empirical or conceivable fact about any universe that could make it different.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lesswrong.com