20 Nov
2012
20 Nov
'12
6:06 p.m.
Dan Asimov:
Does anyone know who first thought of the following proof that sqrt(2) is irrational?
It looks like Tom M. Apostol's proof, published as "Irrationality of The Square Root of Two - A Geometric Proof" in the American Mathematical Monthly, November 2000, pp. 841–842.