empty set中文什么意思

例句与用法

1. Repeat step 3 until an empty set is returned
   重复步骤3 ，直到返回空集。
2. Empty set statement with no set option assignments is allowed
   允许使用空的set语句（未指定set选项） 。
3. Empty set clause is not allowed
   不允许使用空的set子句。
4. Considering a core is an empty set , in view of the application scope of the core and its limit , this paper develops one multi - objective programming model for the cost allocation problem of n - person cooperation game , and then presents two - phase approach for solving the cost allocation problem
   摘要考虑核心是空集的情况，针对核心法的适用范围和局限性，建立了一种多人合作费用分摊的多目标规划模型，给出了求解费用分摊方案的两阶段算法。
5. The representation theories of mp - filter which is created by an non - empty set of a implication algebra on a partial ordered set with condition ( c ) are obtained at first . and it ' s proved that the set which contains all mp - filters of a implication algebra x , denoted by mf ( x ) = { f x f is a filter of x } , is a distributive lattice and a complete lattice also in the view of the concept of mp - filter . then the fuzzy filter of a implication algebra is discussed , and the relations between mp - filter and fuzzy filter are obtained
   借助于mp -滤子的概念，得到了偏序集上具有条件( c )的蕴涵代数中由非空集合所生成mp滤子的表示定理，证明了由其上所有mp -滤子组成的集合mf ( x )是一个完备的分配格；得到了蕴涵代数中fuzzy滤子与mp滤子的关系，给出了fuzzy滤子成为fuzzy素滤子的若干刻画；并利用mp -滤子和fuzzy滤子，刻画了一类偏序集上蕴涵代数的结构。