PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • if we try to weasle out of the problem by taking only those reals which have a decimal digit expansion, then basic operations such as addition and multiplication cannot be shown to exist because they would be discontinuous.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathoverflow.net