<http://webisa.webdatacommons.org/329790497>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<archive.org> .
<http://webisa.webdatacommons.org/329790497>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/131401727>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/329790497> .
<http://webisa.webdatacommons.org/329790497>	<http://www.w3.org/ns/prov#value>	"If C is a point in a straight line AB such that AC + BC = 0, and" .