Mike, Kevin, participants,
In my most recent post (Tue.Jun.7) referring to the Plurality
criterion, I mistakenly wrote:
The "pairwise version" says that X must not win if there are more
voters that rank X above all the other candidates than there are
voters that rank Y over *any* candidate.
That of course should have been:
The "pairwise version" says that X must not win if there are more
voters that rank Y above all the other candidates than there are voters
that rank X over *any* candidate.
Kevin,
I'm a bit confused by your response.
the "pairwise"
version can't refer to first preferences or "any" preferences. It just says
that if the greatest number of votes against X in some contest exceeds the
greatest number for X in some contest, then X mustn't win.
Shouldn't the second of your three "X"s be a Y? Otherwise, in the
49A, 24B, 27C>B example both A and C would be barred by it.
.
Chris Benham
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