About: http://webisa.webdatacommons.org/48599341

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	Each hilarious lesson highlights a different aspect of the subject, including addition and subtraction.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com