Direct product decompositions of pseudo effect algebras
Ján Jakubík (2005)
Mathematica Slovaca
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Ján Jakubík (2005)
Mathematica Slovaca
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Ján Jakubík (2007)
Czechoslovak Mathematical Journal
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A generalized -algebra is called representable if it is a subdirect product of linearly ordered generalized -algebras. Let be the system of all congruence relations on such that the quotient algebra is representable. In the present paper we prove that the system has a least element.
Ján Jakubík (2003)
Czechoslovak Mathematical Journal
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In this paper we investigate the relation between the lattice of varieties of pseudo -algebras and the lattice of varieties of lattice ordered groups.