From: Toby Bartels <toby+categories@math.ucr.edu>
To: categories@mta.ca
Subject: Re: Getting rid of cardinality as an issue (correction)
Date: Thu, 22 Apr 2004 15:41:18 -0700 [thread overview]
Message-ID: <20040422224118.GA11242@math-rs-n03.ucr.edu> (raw)
In-Reply-To: <200404220615.i3M6FDx1030384@coraki.Stanford.EDU>
Vaughan Pratt wrote:
>[Note from moderator: apologies to Vaughan for missing his requested
>change: 1 has been changed to 0 5 lines from bottom, so it reads:
>`discrete 0-category'.]
And this is the line in question:
>* A set is a discrete 0-category.
Just to check, the word "discrete" here is redundant, right?
You just put it in to contrast with the next line, where it's necessary:
>* A class is a discrete n-category for unspecified n.
-- Toby
next prev parent reply other threads:[~2004-04-22 22:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-22 6:15 Getting rid of cardinality as an issue Vaughan Pratt
2004-04-22 20:53 ` Dusko Pavlovic
2004-04-23 20:56 ` Eduardo Dubuc
2004-04-22 22:41 ` Toby Bartels [this message]
2004-04-23 14:06 ` Mike Oliver
2004-04-22 21:20 Getting rid of cardinality as an issue (correction) Vaughan Pratt
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