PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You can not ask, what if the world were like X and use science to go find out unless the world actually is like X.)Indeed, childhood is the best time to introduce philosophy because he is when moral intuitions are often the strongest (especially about justice and fairness.) I would steer clear of the technical language, of course; that can be reintroduced later (like explaining to a middle school kid
http://www.w3.org/ns/prov#wasQuotedFrom
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