Here is the copy of J. Adamek's question that I forgot to append.
MH
Date: Fri, 08 Oct 2004 15:52:56 +0200 (CEST)
From: Jiri Adamek <adamek@...>
Subject: [univalg] Subsemigroups of N
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Where do I find a proof that every subsemigroup of the additive group
of all natural numbers is finitely generated?


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At 03:46 AM 10/12/2004, you wrote:

>Dear all,
>
>I am rather curious about Jirka Adamek's Subsemigroup question.
>
>Can we have a translation of the essence of what was exchanged in the
>previous messages?
>
>Michel
>
>
>
>
>Yahoo! Groups Links
>
>
>
>