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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	d\ q),\,\ p\equiv \pm 1\,\ (mod\ 8).\:$ Below is an excerpt from his 1772 letter to Bernoulli describing this.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com