The concept of ( , ) m n -simple ordered semigroups has been introduced by T. Changphas (Changphas, 2015, pp. 1-5). Let m n, be nonnegative integers. An ordered semigroup S is said to be ( , ) m n -simple if it ...

The concept of (m, n) -simple ordered semigroups has been introduced by T. Changphas (Changphas, 2015, pp. 1-5). Let m, n be nonnegative integers. An ordered semigroup S is said to be (m, n) -simple if it does not contain ...