<http://webisa.webdatacommons.org/104850422>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/104850422>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mathforum.org> .
<http://webisa.webdatacommons.org/prov/437868790>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/104850422> .
<http://webisa.webdatacommons.org/104850422>	<http://www.w3.org/ns/prov#value>	"another when &quot;every element of the former is an element of the" .