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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	concepts is the idea, adopted by Descartes, of light as a kind of pressure in
http://www.w3.org/ns/prov#wasQuotedFrom	mathpages.com