<http://webisa.webdatacommons.org/147220551>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/255369173>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/147220551> .
<http://webisa.webdatacommons.org/147220551>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<history-world.org> .
<http://webisa.webdatacommons.org/prov/392849669>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/147220551> .
<http://webisa.webdatacommons.org/147220551>	<http://www.w3.org/ns/prov#value>	"They also had to learn rudimentary mathematics: how to measure land and to count objects such as animals and possessions." .