[EM] Democracy Chronicles, introductions

Kristofer Munsterhjelm km_elmet at lavabit.com
Mon Apr 23 12:05:04 PDT 2012

On 04/22/2012 05:07 PM, Richard Fobes wrote:

> The core of the system is VoteFair popularity ranking, which is
> mathematically equivalent to the Condorcet-Kemeny method, which is
> one of the methods supported by the "Declaration of Election-Method
> Reform Advocates."

You said there are ballot sets for which the Kemeny method and VoteFair 
provides different winners. How, then, can VoteFair be /mathematically/ 
equivalent? You say the differences don't matter in practice, but for 
the method to be mathematically equivalent, wouldn't the mapping have to 
be completely identical?

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