I'm stuck on this problem. I really have no clue. Would someone give me a hand?

1)Show moves iff moves

2) Show that if and are disjoint, then and

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- September 12th 2009, 05:46 PMjackiePermutation
I'm stuck on this problem. I really have no clue. Would someone give me a hand?

1)Show moves iff moves

2) Show that if and are disjoint, then and - September 12th 2009, 06:49 PMThePerfectHacker
- September 12th 2009, 09:39 PMjackie
Thank you very much for your help TPH. Can you check if my reasoning is correct on this problem? Show that where is a permutation.

We have , so . Hence, - September 13th 2009, 06:57 AMThePerfectHacker