From: Michael Shulman <shulman@math.uchicago.edu>
To: claudio pisani <pisclau@yahoo.it>
Subject: Re: no fundamental theorems please
Date: Fri, 26 Jun 2009 08:51:11 -0500 [thread overview]
Message-ID: <E1MKSFJ-00026J-Di@mailserv.mta.ca> (raw)
On Wed, Jun 24, 2009 at 8:52 AM, claudio pisani<pisclau@yahoo.it> wrote:
> Of course, the proof that the object x:1->X (of Cat/X) has the slice
> X/x -> X as a reflection in df/X (and its final object as
> reflecton map) is essentially the same of that of the standard
> Yoneda lemma, and the general case only requires a little more
> effort.
This is indeed a very nice statement of the ordinary Yoneda lemma, but
it doesn't seem capable of capturing all incarnations of the Yoneda
lemma, such as that in enriched category theory.
Mike
[For admin and other information see: http://www.mta.ca/~cat-dist/ ]
next reply other threads:[~2009-06-26 13:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-26 13:51 Michael Shulman [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-06-24 15:17 Steve Vickers
2009-06-24 13:52 claudio pisani
2009-06-23 18:58 Vaughan Pratt
2009-06-23 14:47 Andrej Bauer
2009-06-23 11:46 Michael Barr
2009-06-23 9:28 Martin Escardo
2009-06-23 9:27 Miles Gould
2009-06-22 21:07 Paul Taylor
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