The definition of the choice function is given and the normative form of rational choice function is defined.
定义选择函数并给出理性选择函数的形式化描述 ；定义一致性条件并探讨了一致性条件间的相互关系 。
A choice function is made on the basis of fuzzy relations of preference. It is difficult to get transitivity properties of fuzzy preferences.
在模糊偏好关系的基础上建立选择函数，其困难在于难以确定模糊偏好关系的传递性。
In this paper, the unique existence condition of minimal determining set in social choice theory is researched, and the relation between minimal determining set and choice function is analyzed.
本文研究了社会选择理论中最小决定集的唯一存在性条件，分析了最小决定集与选择函数之间的相互联系。
In this paper, the unique existence condition of minimal determining set in social choice theory is researched, and the relation between minimal determining set and choice function is analyzed.
本文研究了社会选择理论中最小决定集的唯一存在性条件，分析了最小决定集与选择函数之间的相互联系。
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