please help me. if e is a free presentation of the group Q , and
Last edited by vernal; Dec 26th 2011 at 10:48 AM.
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Originally Posted by vernal please help me. if e is a free presentation of the group Q , and Something seems a little fishy here. Why do we need ?
Last edited by Ackbeet; Dec 28th 2011 at 03:16 AM.
Originally Posted by Drexel28 Something seems a little fishy here. Why do we need ? I don't know!!! I asked why. I saw this in the article. And I think is دnot related to alpha beta gamma.Maybe I did not understand the article.thanks
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