PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Samuelson was not bashful about describing his findings as scientific, or apologetic for the way he expressed them. ???Mathematics is a language,??? stated the frontispiece of Foundations, attributed to J. Willard Gibbs, Yale???s great physicist, chemist and mathematician (1839-1903), and, for the first time, mathematical notation appeared in the body one of the five texts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economicprincipals.com