About: http://webisa.webdatacommons.org/440082736

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	They have historically been used to teach philosophy, logic, rhetoric, mathematics, and other subjects about which he wrote.
http://www.w3.org/ns/prov#wasQuotedFrom	goodreads.com