subsemigroup

基本解釋

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.
對(duì)於 S 的任何子集 A，存在 S 的包含 A 的一個(gè)最小的子半群 T，我們稱 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-群的正錐的一個(gè)充要條件，竝討論了先序群的擴(kuò)展問題。
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，則任何 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