<http://webisa.webdatacommons.org/253850858>	<http://www.w3.org/ns/prov#value>	"Now (I seem to recall) it does not apply if only one parent is an only child. 3." .
<http://webisa.webdatacommons.org/prov/120067254>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/253850858> .
<http://webisa.webdatacommons.org/253850858>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/253850858>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<econlib.org> .