From: Ralf Mueller <ralf.mueller@...>
Date: 2012-08-27T20:26:13+09:00
Subject: Re: A Ruby Book (free to use)

On 08/22/2012 10:19 AM, Robert Klemme wrote:
> On Wed, Aug 22, 2012 at 9:38 AM, Ralf Mueller <ralf.mueller@zmaw.de> wrote:
>> On 08/22/2012 08:10 AM, Karthikeyan A k wrote:
>>> Hello people, I have written a book on Ruby programming language.
>>> Download it from here http://is.gd/r2012
>>>
>> Thanks for sharing your work and esp. for the lovely "Math Discovery" at p.
>> 162
> It is well known for a long time that you can prove anything if you
> manage to sneak a division by zero into your proof.  Various fun
> proofs have been built around this.  Note also that this has nothing
> to do with how computers do math.
Sure, it hasn't. You can proof everything out of something wrong, e.g. my math teacher proofed that he is the 
pope out of 1 = 2