<http://webisa.webdatacommons.org/427594168>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikipedia.org> .
<http://webisa.webdatacommons.org/427594168>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/427594168>	<http://www.w3.org/ns/prov#value>	"Similarly, in the category of pointed topological spaces, every singleton is a zero object." .
<http://webisa.webdatacommons.org/prov/133180897>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/427594168> .