[EM] Symmetric cyclic AB+BC+CA rule rejects STV

Bart Ingles bartman at netgate.net
Thu Mar 9 10:42:47 PST 2000


Craig Carey wrote:
> The idea might be a lot sounder if [Mr Saari] had instead expected
>   invariance of the winners in 3 candidate election had 6, not 3, papers been
>   added. I.e. these papers: ABC, BCA, CAB, ACB, CBA, BAC.


In that case you have no need to look for rotational symmetry -- you
already have 3 cases of reflectional symmetry:  ABC cancels CBA, BCA
cancels ACB, etc.



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