Cary: "Both CRV and Wikipedia claim that range voting meets the Independence of Irrelevant Alternatives (IIA) criterion, but neither gives much justification for such claims."
Benham: Range votign supporters like to move the goalposts around. Actually: http://www.rangevoting.org/ArrowThm.html says RV passes the definition of IIA given in the Webb tutorial, but notes: Actually, in his tutorial, Webb did not very carefully state a precise and complete statement of Arrow's theorem – he "dumbed it down" for a wide audience. If he had done so, then Range Voting would (with some theorem versions) disobey criterion #3 – but even in those versions, a system related to range, called "honest utility voting," still would "impossibly" obey all three Arrow criteria. Warren D Smith http://rangevoting.org ---- election-methods mailing list - see http://electorama.com/em for list info
