From: Peter Freyd <pjf@saul.cis.upenn.edu>
To: categories@mta.ca
Subject: Which is the simplest example?
Date: Fri, 16 Feb 2001 08:43:56 -0500 (EST) [thread overview]
Message-ID: <200102161343.f1GDhuo24693@saul.cis.upenn.edu> (raw)
I said that the simplest example of a category with pullbacks but not
products is the discrete category with two objects. Come to think of
it, any category with exactly two morphisms is an example.
next reply other threads:[~2001-02-16 13:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-16 13:43 Peter Freyd [this message]
2001-02-16 18:18 ` Danilov Nikita
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