About: http://webisa.webdatacommons.org/393161254

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	Methods of proof, such as direct proofs, proofs by contradiction, contrapositive proofs, counterexamples and mathematical induction.
http://www.w3.org/ns/prov#wasQuotedFrom	wlu.ca