<http://webisa.webdatacommons.org/406104072>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<scielo.org.ar> .
<http://webisa.webdatacommons.org/prov/46928843>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/406104072> .
<http://webisa.webdatacommons.org/406104072>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/406104072>	<http://www.w3.org/ns/prov#value>	"The third task provides us with the fundamental logical relationship in program development: , where is a program and is a formula." .