<http://webisa.webdatacommons.org/169167912>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/516246970>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/169167912> .
<http://webisa.webdatacommons.org/169167912>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pitt.edu> .
<http://webisa.webdatacommons.org/169167912>	<http://www.w3.org/ns/prov#value>	"if P is a sentence and x is" .
<http://webisa.webdatacommons.org/prov/472059652>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/169167912> .