Residuated lattices derived from filters(ideals) in double Boolean algebras

Document Type : Original Article

Authors

1 University of Yaound´e 1, Faculty of Sciences, Department of Mathematics, Laboratory of Algebra, P.O. Box 812, Yaound´e, Republic of Cameroon

2 Ecole Normale Sup´erieure de Yaound´e, Department of Mathematics, Cameroon

Abstract

Double Boolean algebras (dBas) are algebraic structures D = (D, v, ^, ‌, ', ⊥, T) of type (2, 2, 1, 1, 0, 0), introduced by Rudolf Wille to capture the equational theory of the algebra of protoconcepts. Our goal is an algebraic investigation of  dBas, based on similar results on Boolean algebras. In this paper, first we characterize filters on dBas as deductive systems and we give many characterization of primary filters(ideals). Second, for a given dBa, we show that the set of its filters F(D) (resp.ideals I(D)) is endowed with the structure of distributive pseudo-complemented lattices, Heyting algebras and residuated lattices. We finish by introducing the notions of annihilators and co-annihilators on dBas and investigate some relalted properties of them. We show that pseudo-complement of an ideal I (filter F) is the annihilator I* of I ( co-annihilator F*) and the set of annihilators (co-annihilators) forms a Boolean algebra. 

Keywords

Journal of Algebraic Hyperstructures and Logical Algebras
Volume 3, Issue 2
May 2022
Pages 25-45

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