Prove that if , then is an infinite group.

Let . I am guessing I need to define a map but I don't know as what.

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- October 4th 2011, 05:38 AMdwsmithInfinite group
Prove that if , then is an infinite group.

Let . I am guessing I need to define a map but I don't know as what. - October 4th 2011, 03:44 PMNonCommAlgRe: Infinite group
- October 4th 2011, 05:38 PMTinybossRe: Infinite group
Or you could note that it contains the transposition (n, n+1) for every natural number n.