Representing choice functions by a total hyper-order
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Choice functions over a set X that satisfy the Outcast, a.k.a. Aizerman, property are exactly those that attach to any set its maximal subset relative to some total order of 2^X.
READ FULL TEXTChoice functions over a set X that satisfy the Outcast, a.k.a. Aizerman, property are exactly those that attach to any set its maximal subset relative to some total order of 2^X.
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