From: Daniel Lucraft <dan@...>
Date: 2007-02-04T20:17:04+09:00
Subject: Re: String Equations (#112)

Kalman Noel wrote:
> Shouldn't there be a requirement that an equations is invalid if there 
> is
> another, shorter equation that uses the same words? Otherwise:
> 
>   $ ruby quiz112.rb foo oof
>   "foo"  =  "oof"
>   "foo" + "foo"  =  "oof" + "oof"
>   "foo" + "foo" + "foo"  =  "oof" + "oof" + "oof"
>   ...
> 
> Kalman

That sounds right. How about if you have an equation a == b, you should 
not be able to find equations c == d, and e == f such that c + e makes a 
and d + f makes b?

Daniel

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