MTL-algebras arising from partially ordered groups

  • Authors:
  • Thomas Vetterlein

  • Affiliations:
  • Section on Medical Expert and Knowledge-Based Systems, Medical University of Vienna, Spitalgasse 23, 1090 Wien, Austria

  • Venue:
  • Fuzzy Sets and Systems
  • Year:
  • 2010

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Abstract

After dropping the implication-like operation and reversing the order, an MTL-algebra becomes a partially ordered structure (L;@?,@?,0,1) based on the single addition-like operation @?. Furthermore, @? may be restricted to a partial, but cancellative addition+without loss of information. We deal in this paper with the case that the resulting partial algebra (L;@?,+,0,1) is embeddable into the positive cone of a partially ordered group. It turns out that most of the examples of MTL-algebras known at present can be represented in this way. So the systematisation of a considerable class of MTL-algebras is achieved, and the methods of their construction are brought onto a common line.