From: Steve Vickers <s.j.vickers@cs.bham.ac.uk>
To: Patrik Eklund <peklund@cs.umu.se>
Cc: categories@mta.ca
Subject: Re: How analogous are categorial and material set theories?
Date: Fri, 8 Dec 2017 06:49:49 +0000 [thread overview]
Message-ID: <E1eNKwn-0003l9-8X@mlist.mta.ca> (raw)
In-Reply-To: <E1eN20Y-0007hh-N4@mlist.mta.ca>
Dear Patrik,
The theory of categories is a first order theory, so what exactly are you denying here?
Steve.
> On 7 Dec 2017, at 18:58, peklund@cs.umu.se wrote:
>
> Is Category Theory a Theory? I think not. At least not in a logical
> sense.
>
[For admin and other information see: http://www.mta.ca/~cat-dist/ ]
next prev parent reply other threads:[~2017-12-08 6:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-24 22:36 Neil Barton
2017-11-25 16:56 ` Patrik Eklund
[not found] ` <CAOvivQwLpgKa4P10coK57S=UpddkdjhZG1H9SJFu4aC4=oK8cg@mail.gmail.com>
2017-11-27 12:10 ` Michael Shulman
[not found] ` <D3C108EA-85E6-408C-B6C4-A07AF763251B@cs.bham.ac.uk>
2017-12-03 16:12 ` Neil Barton
[not found] ` <CALiszFYgtvH0wTjN0M3A11NXB54JQsw9vRx5FZLHUWhDQ5N1gA@mail.gmail.com>
2017-12-04 11:09 ` Steve Vickers
[not found] ` <CADzYOhfMbBRKbdYcPJ5s9V8autiz9to1s+d-8_SV+paMr0JGEQ@mail.gmail.com>
2017-12-08 18:23 ` Cory Knapp
[not found] ` <CAOvivQy2n9dh0vX7qK6XrJy46FmZ8_pkCYS+qUU+uO-O_GY4og@mail.gmail.com>
2017-12-07 18:58 ` Patrik Eklund
2017-12-08 6:49 ` Steve Vickers [this message]
2017-12-09 1:15 ` Vaughan Pratt
2017-12-10 18:12 ` Jacques Carette
2017-12-11 18:54 ` Michael Shulman
2017-12-09 1:20 ` Neil Barton
[not found] ` <CALiszFY5=mfwTNYPLFC75BF_xM=L_7VTjENoy+dTPqJJTYcCSA@mail.gmail.com>
2017-12-12 12:08 ` Neil Barton
[not found] ` <CAB=Avzf+XmVV=gLrijYTkyCU7Hj098MRAydCtpscxr2Go734HQ@mail.gmail.com>
2017-12-10 7:34 ` Is Category Theory a Theory? Patrik Eklund
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