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From: chabot@miles.DEC
Newsgroups: net.misc,net.jokes.d
Subject: Re: Wanted: list of proof methodologies
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Date: Mon, 11-Nov-85 20:35:54 EST
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Posted: Mon Nov 11 20:35:54 1985
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A book you should check out is _How_to_Solve_It_ by Polya.  I'm pretty sure it's
still in print.  Besides being a wonderful book, it has a few gems about
math professors, differential equations, and other incidents in learning math.

When I was a frosh, I heard in 18.01 lecture a professor admit to "Proof by
Erasure".  This only works for blackboard discussions--as you cover the board
you erase the questionable parts.