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From: Toby Bartels <toby+categories@math.ucr.edu>
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Subject: Re: Name for a concept
Date: Tue, 6 Dec 2005 16:58:26 -0800
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jean benabou wrote in part:

>(1) -  Is there a standard name for the squares where the canonical map
>is monic , i.e. the pair of maps A --->B  and  A --->C is jointly
>monic. I propose semi-pullback

How about "sub-pullback"?
since it is a sub-object of the pullback (if there is one).


-- Toby