1. Jun 7, 2008 #1

   ggugl

   

   could any one give me a proof of this statment:
   
   The module is injective iff it is a direct summand of an injective cogenerator.

    

   ggugl, Jun 7, 2008
2. 
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3. Jun 7, 2008 #2

   mathwonk

   

   Science Advisor

   Homework Helper

   no, but for such things, see abelian categories by peter freyd.

    

   mathwonk, Jun 7, 2008

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