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A particular subgroup of a Free Group is normal 
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#1
Sep2211, 03:58 PM

P: 15

Hello friends,
I'm working through my book and I'm having a lot of trouble coming to terms / believing this. Could anyone assist? Let F be a free group and N be the subgroup generated by the set {x^n : x is in F and n is fixed} then N is normal in F. Any ideas? 


#3
Sep2211, 10:34 PM

P: 15

You saved me yet again! Thank you friend.



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