From: Andrej Bauer <Andrej.Bauer@fmf.uni-lj.si>
To: categories@mta.ca
Subject: Re: Characterization of integers as a commutative ring with unit
Date: Thu, 26 Oct 2006 22:26:17 +0200 [thread overview]
Message-ID: <E1GdFhE-0002wc-Ta@mailserv.mta.ca> (raw)
I would like to thank all 11 people who pointed out that Z _is_ the
initial unital ring. I forgot to take into account that homomorphisms of
unital rings map 1 to 1, so the trivial ring is not initial (and Z is).
Thank you for being kind even though I asked a trivial questions.
Andrej
next reply other threads:[~2006-10-26 20:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-26 20:26 Andrej Bauer [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-10-27 9:29 George Janelidze
2006-10-27 7:51 Stephen Lack
2006-10-27 7:23 George Janelidze
2006-10-27 1:09 Josh Nichols-Barrer
2006-10-27 0:01 Stephen Lack
2006-10-26 15:21 Fred E.J.Linton
2006-10-26 14:48 Steve Vickers
2006-10-26 8:56 Andrej Bauer
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