<http://webisa.webdatacommons.org/57309007>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/57309007>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<upenn.edu> .
<http://webisa.webdatacommons.org/57309007>	<http://www.w3.org/ns/prov#value>	"retract e : L -&gt; P $\\omega$ , p : P $\\omega$ -&gt; L. Now if R is a per on L then" .
<http://webisa.webdatacommons.org/prov/516240045>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/57309007> .