About: http://webisa.webdatacommons.org/162658119

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	I would like to have a proof for / a reference to a textbook proof of the following theorem (if it indeed is a theorem):
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net