Am Mittwoch, 10. September 2014 19:54:06 UTC+2 schrieb Nils Bruin:
>
> On Wednesday, September 10, 2014 10:38:50 AM UTC-7, Nils Bruin wrote:
>>
>> sage: Permutation([0,1,2])
>>
>
> aw shoot. The problem is there already, because we're defining 
> permutations by *ordered list of images* rather than as a composition of 
> cycles. That means the base actually is important right from the start. 
> Can't we just define permutations as a composition of cycles instead? Then 
> we indeed do not have to worry about whether they're 0 or 1 based.
>

I think that's what PermutationGroup and PermutationGroupElement do.

Martin

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