<http://webisa.webdatacommons.org/prov/57974921>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/97451224> .
<http://webisa.webdatacommons.org/97451224>	<http://www.w3.org/ns/prov#value>	"variable, P is a formula." .
<http://webisa.webdatacommons.org/97451224>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nyu.edu> .
<http://webisa.webdatacommons.org/prov/472761093>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/97451224> .
<http://webisa.webdatacommons.org/97451224>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .