subsemigroup

常见例句

• A subsemigroup which is also a group is called a subgroup .
  也是群的子半群叫做子群 。
• For any subset A of S there is a smallest subsemigroup T of S which contains A, and we say that A generates T.
  对于 S 的任何子集 A，存在 S 的包含 A 的一个最小的子半群 T，我们称 A 生成 T。
• This paper presents an necessary and sufficient condition for subsemigroup to be cone ofL-group，and discusses the problem of extension on preorder groups.
  得到了子半群是L-群的正锥的一个充要条件，并讨论了先序群的扩展问题。
• If S is a semigroup, then the intersection of any collection of subsemigroups of S is also a subsemigroup of S.
  如果 S 是半群，则任何 S 的子半群的搜集的交集也是 S 的子半群。
• characteristic fuzzy subsemigroup
  特征Fuzzy子半群
• The Connection of the Locally Compact Commutative Semigroup and Infinite Closed Subsemigroup
  局部稠密的交换半群与无限闭子半群的关系
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