About: http://webisa.webdatacommons.org/97050019

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	OK. So: since Karl Popper, there is no such thing as knowing that something is true, (except for analytical a priori statements of the Pythagoras Theorem kind, but usually the problematic ones are the synthetic, empirical ones).
http://www.w3.org/ns/prov#wasQuotedFrom	ibiblio.org