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List:       haskell-cafe
Subject:    Re: [Haskell-cafe] Re: what is inverse of mzero and return?
From:       Jules Bean <jules () jellybean ! co ! uk>
Date:       2005-01-25 12:26:54
Message-ID: 65DEBF88-6ECC-11D9-8550-000A95F0ED78 () jellybean ! co ! uk
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On 25 Jan 2005, at 12:22, Jules Bean wrote:

> The concrete example for [] is:
>
> concat . (map concat)
> should be the same (on all values of all types [a]) as
> concat . concat
>

..tiny correction, sorry. 'On all values of all types [[[a]]]'.


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