Sarie, Novia YumithaGemawati, SriPane, Rolan2013-05-082013-05-082013-05-08Rangga Dwijunanda Putrahttp://repository.unri.ac.id:80/handle/123456789/3310In this paper we discuss the characteristics of free semigroup and free monoid related to word set. The discussion begins with some homomorphism theorems and a criterion for freeness of semigroup and monoid. All characteristics of free semigroup and free monoid are expressed on some theorems. All discussions in this paper refer back to Harju [4].otherHomomorphism TheoremA Criterion For FreenessWord SetOther