[EM] Scatter plot of clone independence versus IIA
km_elmet at t-online.de
Fri Jul 2 06:40:30 PDT 2021
On 02.07.2021 02:32, VoteFair wrote:
> On 6/27/2021 11:15 AM, Markus Schulze wrote:
>> I recommend the following formulation for the fourth category:
>> Suppose A won before cloning.
>> Suppose A is cloned to A(1),...,A(n).
>> Suppose A(1) wins when the used election method is applied only to
>> Then A(1) wins after.
>> Markus Schulze
> I am not understanding what you are suggesting.
> It sounds like you want to sub-divide the fourth category into these two
> * A wins before cloning, A(1) wins after cloning, and A(1) wins if only
> the clones participate.
> * A wins before cloning, A(1) wins after cloning, but A(1) does not win
> if only the clones participate.
> Do we need to distinguish between these two cases?
> It seems to me that any of the clones winning instead of the original
> similar candidate is a case of the clone displacing the original candidate.
It looks like he's suggesting a related criterion (call it "independence
of non-clone alternatives") that is failed if A1 wins the ordinary
election (after clones have been added), but A2 wins when everybody but
the clones are eliminated.
That may be a desirable criterion, but if A won before the cloning
happened, I don't think it's a failure of the independence of clones
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