About: http://webisa.webdatacommons.org/164300884

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	If S is a set, then the power set of S becomes a ring if we define addition to be the symmetric difference of sets and multiplication to be intersection.
http://www.w3.org/ns/prov#wasQuotedFrom	kids.net.au