About: http://webisa.webdatacommons.org/240685341

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	As an example, the set of all n ???? n matrices with real entries andnonzero determinants is a group under multiplication, since every matrix with a nonzerodeterminant has an inverse.
http://www.w3.org/ns/prov#wasQuotedFrom	nzdl.org