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October 15th, 2009, 04:13 PM  #1 
Newbie Joined: Sep 2009 Posts: 10 Thanks: 0  Proof question about isomorphic
Prove that Z and Q^x are not isomorphic ( Q^x is Q but not include zero 
October 15th, 2009, 09:55 PM  #2 
Senior Member Joined: Oct 2007 From: Chicago Posts: 1,701 Thanks: 3  Re: Proof question about isomorphic
Show that Q* does not have a generator.


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isomorphic, proof, question 
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