About: http://webisa.webdatacommons.org/374063908

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	KP Hart added a comment suggesting the space S x S discussed above is a counterexample.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net