<http://webisa.webdatacommons.org/413004651>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/413004651>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wordpress.com> .
<http://webisa.webdatacommons.org/prov/499018125>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/413004651> .
<http://webisa.webdatacommons.org/413004651>	<http://www.w3.org/ns/prov#value>	"Let be the quiver, which consists of vertices connected by directed edges as indicated. naturally acts by left multiplication on the vector space spanned by the vertices (where, for a path , we have if is not the source of and if is a path from to ) and this action realizes an isomorphism ." .