Abstract
The main purpose of this paper is to introduce a class of algebraic structures related to many-valued Łukasiewicz algebras. They are symmetrical Heyting algebras with a set of modal operators indexed by a finite completely symmetric poset. A representation theorem is given for these (not functionally complete) algebras.
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Iturrioz, L. Symmetrical Heyting algebras with a finite order type of operators. Stud Logica 55, 89–98 (1995). https://doi.org/10.1007/BF01053033
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DOI: https://doi.org/10.1007/BF01053033