Tolerances and congruences on implication algebras

Ivan Chajda; Bohdan Zelinka

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Displaying similar documents to “Tolerances and congruences on implication algebras”

Tolerances in congruence permutable algebras

Ivan Chajda (1988)

Czechoslovak Mathematical Journal

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Principal tolerances on lattices

Ivan Chajda (1994)

Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

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Characterizing tolerance trivial finite algebras

Ivan Chajda (1994)

Archivum Mathematicum

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An algebra $A$ is tolerance trivial if $A ̰ = A$ where $A ̰$ is the lattice of all tolerances on $A$ . If $A$ contains a Mal’cev function compatible with each $T$ $A ̰$ , then $A$ is tolerance trivial. We investigate finite algebras satisfying also the converse statement.