About: http://webisa.webdatacommons.org/417918489

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 we have two such sets, C and C', we can prove that the intersection of C and C' is a universe.
http://www.w3.org/ns/prov#wasQuotedFrom	sigfpe.com