Talk:Local independence of irrelevant alternatives

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[6-22-2007 by Steve Eppley] The above definition of Local Independence of Irrelevant Alternatives does not match that given by H. Peyton Young, who first used the term. Young's LIIA requires that if all alternatives except a subset that are together somewhere in the order of finish were deleted from all votes, then the relative order of finish of that subset would not change. The Schulze method fails Young's LIIA, but Ranked Pairs satisfies it. It can be shown, for example, that deleting the candidate that finishes in last place can change the Schulze method winner. Ranked Pairs also satisfies a stronger criterion, Immunity from Majority Complaints.