Date: Mar 14, 2013 9:59 PM
Author: Brian Q. Hutchings
Subject: From Fermat little theorem to 'la theoreme "dernier" du Fermat -- and<br> the next one'
thus:

Furthermore, this may have been one of his earliest proofs

> in the theory of numbers -- which science he created,

> mostly using right trigona -- and this is highlighted

> by the fact taht he *later* produced the proof

> for teh very special case of the exponent, n = 4. All

> of the other cases can be made for only prime exponents,

> since it is easy to prove that composite exponents

> -- other than 2x2 -- reduce to the case for prime ones.