<http://webisa.webdatacommons.org/315189864>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<forgottenbooks.com> .
<http://webisa.webdatacommons.org/prov/194561205>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/315189864> .
<http://webisa.webdatacommons.org/315189864>	<http://www.w3.org/ns/prov#value>	"On the Study and Difficulties of Mathematics is a book written by accomplished mathematician Augustus De Morgan." .
<http://webisa.webdatacommons.org/315189864>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .