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Sep 6, 2022 at 12:53 comment added David White Since the answer was accepted, I assume the OP was happy with it.
Oct 31, 2021 at 16:19 comment added user12580 Dear Mathieu, I think what Martin proposes is not necessarily Puppe-exact. For example, the category of pointed sets is not Puppe-exact. The epimorphisms are not cokernels in general.
Aug 30, 2021 at 5:08 history edited David Roberts CC BY-SA 4.0
updated links
Oct 13, 2010 at 17:33 vote accept Martin Brandenburg
Oct 13, 2010 at 17:32 history edited Mathieu Breckes CC BY-SA 2.5
added 43 characters in body
Oct 13, 2010 at 17:26 history answered Mathieu Breckes CC BY-SA 2.5