22 Jun
2012
22 Jun
'12
7:19 a.m.
Mike Barr said
Somewhere I have seen a proof that all monics in the category of groups are regular.
Somebody asked this question a while back on MathOverflow and I gave the following proof, which is both constructive and more explicit than the replies that have been given here. http://mathoverflow.net/questions/41208/are-all-group-monomorphisms-regular-... Paul Taylor [For admin and other information see: http://www.mta.ca/~cat-dist/ ]