About: http://webisa.webdatacommons.org/49168406

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	As far as I know, a proposition is a statement which might be used to prove a theorem but is also of independent interest.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com