A Method for Finding New Sets of Axioms for Classes of Semigroups
          Araújo, João; Konieczny, Janusz  
          
          Archives for Mathematical Logic, 51(5-6) (2012), 461-474  
          http://dx.doi.org/10.1007/s00153-012-0276-9  
           
          We introduce a general technique for finding sets of axioms for a given	class of semigroups. To illustrate the technique, we provide new sets of defining axioms 	for groups of exponent n, bands, and semilattices.  
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