About: http://webisa.webdatacommons.org/312422631

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	This would mean that every set in the forcing extension is a subset of a set from the ground model, which is not true --- consider for example the singleton of the generic filter.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net