ON FREE ORDERED SEMIGROUPS
2010 年 71 巻 2 号 p. 223-229
詳細
2010 年 71 巻 2 号 p. 223-229
In this paper, using the concept of pseudoorder, we first prove that each ordered semigroup can be considered as a quotient of a free ordered semigroup. Then we give a characterization of free ordered semigroups.
