<http://webisa.webdatacommons.org/65841993>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nap.edu> .
<http://webisa.webdatacommons.org/prov/84320821>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/65841993> .
<http://webisa.webdatacommons.org/65841993>	<http://www.w3.org/ns/prov#value>	"They know that addition and multiplication are commutative and that there is a relation between addition and subtraction and between multiplication and division." .
<http://webisa.webdatacommons.org/65841993>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/507844575>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/65841993> .