Direct product factors in GMV-algebras
Jiří Rachůnek, Dana Šalounová (2005)
Mathematica Slovaca
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Jiří Rachůnek, Dana Šalounová (2005)
Mathematica Slovaca
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Jiří Rachůnek, Vladimír Slezák (2006)
Czechoslovak Mathematical Journal
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The class of commutative dually residuated lattice ordered monoids (-monoids) contains among others Abelian lattice ordered groups, algebras of Hájek’s Basic fuzzy logic and Brouwerian algebras. In the paper, a unary operation of negation in bounded -monoids is introduced, its properties are studied and the sets of regular and dense elements of -monoids are described.
Jiří Rachůnek, Dana Šalounová (2008)
Mathematica Bohemica
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Bounded residuated lattice ordered monoids (-monoids) form a class of algebras which contains the class of Heyting algebras, i.e. algebras of the propositional intuitionistic logic, as well as the classes of algebras of important propositional fuzzy logics such as pseudo -algebras (or, equivalently, -algebras) and pseudo -algebras (and so, particularly, -algebras and -algebras). Modal operators on Heyting algebras were studied by Macnab (1981), on -algebras were studied by Harlenderová...