And lo on Wed, 30 Jul 2008 14:48:57 +0100, Invisible <voi### [at] devnull> did  
spake, saying:

> Phil Cook wrote:
>
>> For an example of destroyed information tell me the equation I used to  
>> derive the answer of 9.
>
> ...I can't *believe* you robbed me of the opportunity to say "what do  
> you get if your multiply six by nine?" :-o

Sorry I was thinking of a different book, in this case a Jasper Fforde  
dealing with Nextian mathematics that does allow you to work out whether  
the answer 9 is derived from 3+6 or 3*3, or something else entirely.

-- 
Phil Cook

--
I once tried to be apathetic, but I just couldn't be bothered
http://flipc.blogspot.com

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