About: http://webisa.webdatacommons.org/301834301

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Mathematics is an example of properties that are physically instantiated without an underlying identical non-mathematical property needed.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com