<http://webisa.webdatacommons.org/279026418>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<marxists.org> .
<http://webisa.webdatacommons.org/279026418>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/462788312>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/279026418> .
<http://webisa.webdatacommons.org/279026418>	<http://www.w3.org/ns/prov#value>	"ositions and relations among them in abstraction from their content, i.e. to restrict ourselves to the investigation of propositional forms." .