feanor1600 comments on Arrow's Theorem is a Lie - Less Wrong

27 Post author: alyssavance 24 October 2009 08:46PM

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Comment author: feanor1600 29 October 2010 04:18:28PM 1 point [-]

It says that if the voters make the same decisions once the alternative is added, then the voting algorithm does. See Arrow's definition of IIA on page 27 of the 2nd edition of Social Choice and Individual Values (you can find this part for free on Amazon).