About: http://webisa.webdatacommons.org/201005622

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	What I am talking about is the development of numbers in the context of pure second-order logic, where there is no such thing as sets.
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net