<http://webisa.webdatacommons.org/prov/155985049>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/283347240> .
<http://webisa.webdatacommons.org/283347240>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackexchange.com> .
<http://webisa.webdatacommons.org/283347240>	<http://www.w3.org/ns/prov#value>	"http://en.wikipedia.org/wiki/Formal_system#Logical_system, A logical system or, for short, logic, is a formal system together with a form of semantics, usually in the form of model-theoretic" .
<http://webisa.webdatacommons.org/283347240>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .