About: http://webisa.webdatacommons.org/111696550

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	\sidx{rnf{}isfree}The library syntax is rnf{}isfree(<CODE>bnf</CODE>,x), and the result is a long.
http://www.w3.org/ns/prov#wasQuotedFrom	uni-ulm.de