Abstract
In this paper we introduce the notion of generalized implication for lattices, as a binary function ⇒ that maps every pair of elements of a lattice to an ideal. We prove that a bounded lattice A is distributive if and only if there exists a generalized implication ⇒ defined in A satisfying certain conditions, and we study the class of bounded distributive lattices A endowed with a generalized implication as a common abstraction of the notions of annihilator (Mandelker, Duke Math J 37:377–386, 1970), Quasi-modal algebras (Celani, Math Bohem 126:721–736, 2001), and weakly Heyting algebras (Celani and Jansana, Math Log Q 51:219–246, 2005). We introduce the suitable notions of morphisms in order to obtain a category, as well as the corresponding notion of congruence. We develop a Priestley style topological duality for the bounded distributive lattices with a generalized implication. This duality generalizes the duality given in Celani and Jansana (Math Log Q 51:219–246, 2005) for weakly Heyting algebras and the duality given in Celani (Math Bohem 126:721–736, 2001) for Quasi-modal algebras.
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Castro, J., Celani, S.A.: Quasi-modal lattices. Order 21, 107–129 (2004)
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The research of the second author was supported by the research grant PIP-112-200801-02542 from the CONICET, Argentina. The research of the third author was done with the support of grants MTM2008-01139 from the Spanish government, including Feder funds, and 2005SGR-00083 and 2009SGR-1433 from the Catalan government.
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Castro, J.E., Celani, S.A. & Jansana, R. Distributive Lattices with a Generalized Implication: Topological Duality. Order 28, 227–249 (2011). https://doi.org/10.1007/s11083-010-9168-y
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DOI: https://doi.org/10.1007/s11083-010-9168-y