About: http://webisa.webdatacommons.org/54175409

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, an axiom of countability is a property of certain mathematical objects (usually in a category) that asserts the existence of a countable set with certain properties.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org