About: http://webisa.webdatacommons.org/75000122

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	This is true of no other letter of the alphabet except pi, and here the name is a natural development of the Semitic name pe.Pi is the sixteenth letter of the Greek alphabet.
http://www.w3.org/ns/prov#wasQuotedFrom	oxforddictionaries.com