Operators Max L and Min U and duals of Boolean posets

Fuente: arXiv
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Auteurs principaux: Chajda, Ivan, Kolařík, Miroslav, Länger, Helmut
Format: Preprint
Publié: 2025
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author Chajda, Ivan
Kolařík, Miroslav
Länger, Helmut
author_facet Chajda, Ivan
Kolařík, Miroslav
Länger, Helmut
contents When working with posets which are not necessarily lattices, one has a lack of lattice operations which causes problems in algebraic constructions. This is the reason why we use the operators Max L and Min U substituting infimum and supremum, respectively. We axiomatize these operators. Two more operators, namely the so-called symmetric difference and the Sheffer operator, are introduced and studied in complemented posets by using the operators Max L and Min U. In Boolean algebras, the symmetric difference is used to construct its dual structure, the corresponding unitary Boolean ring. By generalizing this idea, we assign to each Boolean poset a so-called dual and prove that also, conversely, a Boolean poset can be derived from its dual.
format Preprint
id arxiv_https___arxiv_org_abs_2505_02552
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Operators Max L and Min U and duals of Boolean posets
Chajda, Ivan
Kolařík, Miroslav
Länger, Helmut
Logic
06A11, 06B75, 06C15, 06E75, 06E20
When working with posets which are not necessarily lattices, one has a lack of lattice operations which causes problems in algebraic constructions. This is the reason why we use the operators Max L and Min U substituting infimum and supremum, respectively. We axiomatize these operators. Two more operators, namely the so-called symmetric difference and the Sheffer operator, are introduced and studied in complemented posets by using the operators Max L and Min U. In Boolean algebras, the symmetric difference is used to construct its dual structure, the corresponding unitary Boolean ring. By generalizing this idea, we assign to each Boolean poset a so-called dual and prove that also, conversely, a Boolean poset can be derived from its dual.
title Operators Max L and Min U and duals of Boolean posets
topic Logic
06A11, 06B75, 06C15, 06E75, 06E20
url https://arxiv.org/abs/2505.02552