Torrens Torrell, AntoniVerdú, B. (Buenaventura)2020-02-272020-02-271982https://hdl.handle.net/2445/151358Preprint enviat per a la seva publicació en una revista científica.In this work we see how the property: T V (S(x) ∩ S(y)) = (T V S (x)) ∩ (t V S (y)) where T is a closed set of the closure system associated to the closure to the operator S, is related to the distributivity of the closure system's lattice and to a claracterization of the irreducible closed sets.10 p.application/pdfeng(c) Torrens Torrell, Antoni et al., 1982Lògica matemàticaUniversitat de Barcelona. Institut de Matemàticainfo:eu-repo/semantics/articleDL B. 18508-1982info:eu-repo/semantics/openAccess