About: http://webisa.webdatacommons.org/243129609

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 mathematics, it is often useful to view or even define subtraction as a kind of addition, the addition of the additive inverse.
http://www.w3.org/ns/prov#wasQuotedFrom	answerparty.com