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From: selinger@mathstat.dal.ca (Peter Selinger)
To: categories@mta.ca (Categories List)
Subject: Set as a monoidal category
Date: Tue, 12 Aug 2008 21:23:59 -0300 (ADT)	[thread overview]
Message-ID: <E1KT4Hc-0002TW-1i@mailserv.mta.ca> (raw)

Dear Categoreans,

I know three monoidal structures on the category of sets, all of them
symmetric. Two are the product and coproduct, and I'll leave it to
your imagination to figure out the third one.

My question is: are these the only three? Proofs, counterexamples, or
references appreciated.

Thanks, -- Peter




             reply	other threads:[~2008-08-13  0:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-13  0:23 Peter Selinger [this message]
2008-08-13  1:36 Stephen Lack
2008-08-13  9:36 RONALD BROWN
2008-08-14  2:28 Peter Selinger

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