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 ${2}^{X}$.

翻译：Aizerman, 其属性恰恰是附加在任何设定的最大子集中, 相对于总值为{2 ⁇ X}$(美元)的某个总值而言。