About: http://webisa.webdatacommons.org/158109640

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	In logic, a tautology is a statement which is inevitably true solely by virtue of its structure.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com