About: http://webisa.webdatacommons.org/408722469

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	But since 2 sqrt(x^2) is a prime number, can we not assume that x can not be -1 because a prime number is an integer that has no integral factors but itself and 1 which will not be the case if x is -1.
http://www.w3.org/ns/prov#wasQuotedFrom	gmatclub.com