From: Vaughan Pratt <pratt@cs.stanford.edu>
To: Categories list <categories@mta.ca>
Subject: Re: potential names
Date: Mon, 04 Oct 2010 00:20:18 -0700 [thread overview]
Message-ID: <E1P2jsl-0001l6-39@mlist.mta.ca> (raw)
In-Reply-To: <E1P2OLh-0002oU-EX@mlist.mta.ca>
On 10/2/2010 10:43 AM, Paul Taylor wrote:
> So my suggestion is that you play around with skeletons, bones
> or even the Grim Reaper for something more suitable.
Along those lines, how about "scythe" for the functor [-,1+1]: C^op -->
C? In a Boolean topos this is just the (internal) contravariant power
object functor, but more generally it tends to cleave objects into their
connected components in a suitable sense.
Vaughan
[For admin and other information see: http://www.mta.ca/~cat-dist/ ]
next prev parent reply other threads:[~2010-10-04 7:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-27 9:15 EVIL terminology Juergen Koslowski
[not found] ` <E1P0kdv-00045H-OQ@mlist.mta.ca>
2010-09-29 4:45 ` potential names Martin Escardo
2010-10-01 14:40 ` Todd Trimble
2010-10-02 17:43 ` Paul Taylor
2010-10-04 7:20 ` Vaughan Pratt [this message]
2010-10-03 14:27 ` Todd Trimble
2010-10-05 22:18 Fred E.J. Linton
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