Abstract
In this short note we prove the redundance of axiom (A3) of Hájek's Basic Fuzzy Logic. We also extend this result to Esteva and Godo's logic MTL.
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References
Esteva F, Godo L (2001) Monoidal t-norm based logic: Towards a logic for left-continuous t-norms. Fuzzy Sets Syst 123(3):271–288
Hájek P (1998) Metamathematics of fuzzy logic, vol 4 of trends in logic. Kluwer, Dordercht
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Partial support of the grant No.A103004/00 of the Grant agency of the Academy of Sciences of the Czech Republic is acknowledged.
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Cintula, P. Short note: on the redundancy of axiom (A3) in BL and MTL. Soft Comput 9, 942 (2005). https://doi.org/10.1007/s00500-004-0445-9
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DOI: https://doi.org/10.1007/s00500-004-0445-9