About: http://webisa.webdatacommons.org/201945614

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	Although this assumption can be seen as just a device that Descartes uses in his search for something absolutely certain, the feeling of the unreality of the external world was a very powerful one at the time.
http://www.w3.org/ns/prov#wasQuotedFrom	frostburg.edu