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2014 | 22 | 3 | 257-267
Tytuł artykułu

Formalization of Generalized Almost Distributive Lattices

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Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Almost Distributive Lattices (ADL) are structures defined by Swamy and Rao [14] as a common abstraction of some generalizations of the Boolean algebra. In our paper, we deal with a certain further generalization of ADLs, namely the Generalized Almost Distributive Lattices (GADL). Our main aim was to give the formal counterpart of this structure and we succeeded formalizing all items from the Section 3 of Rao et al.’s paper [13]. Essentially among GADLs we can find structures which are neither V-commutative nor Λ-commutative (resp., Λ-commutative); consequently not all forms of absorption identities hold. We characterized some necessary and sufficient conditions for commutativity and distributivity, we also defined the class of GADLs with zero element. We tried to use as much attributes and cluster registrations as possible, hence many identities are expressed in terms of adjectives; also some generalizations of wellknown notions from lattice theory [11] formalized within the Mizar Mathematical Library were proposed. Finally, some important examples from Rao’s paper were introduced. We construct the example of GADL which is not an ADL. Mechanization of proofs in this specific area could be a good starting point towards further generalization of lattice theory [10] with the help of automated theorem provers [8].
Wydawca
Rocznik
Tom
22
Numer
3
Strony
257-267
Opis fizyczny
Daty
wydano
2014-09-01
otrzymano
2014-09-26
online
2015-04-30
Twórcy
  • Institute of Informatics University of Białystok Akademicka 2, 15-267 Białystok Poland
Bibliografia
  • [1] Grzegorz Bancerek. Directed sets, nets, ideals, filters, and maps. Formalized Mathematics, 6(1):93-107, 1997.
  • [2] Józef Białas. Group and field definitions. Formalized Mathematics, 1(3):433-439, 1990.
  • [3] Czesław Bylinski. Binary operations. Formalized Mathematics, 1(1):175-180, 1990.
  • [4] Czesław Bylinski. Functions and their basic properties. Formalized Mathematics, 1(1): 55-65, 1990.
  • [5] Czesław Bylinski. Functions from a set to a set. Formalized Mathematics, 1(1):153-164, 1990.
  • [6] Czesław Bylinski. Partial functions. Formalized Mathematics, 1(2):357-367, 1990.
  • [7] Czesław Bylinski. Some basic properties of sets. Formalized Mathematics, 1(1):47-53, 1990.
  • [8] Adam Grabowski and Markus Moschner. Managing heterogeneous theories within a mathematical knowledge repository. In Andrea Asperti, Grzegorz Bancerek, and Andrzej Trybulec, editors, Mathematical Knowledge Management Proceedings, volume 3119 of Lecture Notes in Computer Science, pages 116-129. Springer, 2004. 3rd International Conference on Mathematical Knowledge Management, Bialowieza, Poland, Sep. 19-21, 2004.
  • [9] Adam Grabowski and Markus Moschner. Formalization of ortholattices via orthoposets. Formalized Mathematics, 13(1):189-197, 2005.
  • [10] George Gr¨atzer. General Lattice Theory. Academic Press, New York, 1978.
  • [11] George Gr¨atzer. Lattice Theory: Foundation. Birkh¨auser, 2011.
  • [12] Eliza Niewiadomska and Adam Grabowski. Introduction to formal preference spaces. Formalized Mathematics, 21(3):223-233, 2013. doi:10.2478/forma-2013-0024.[Crossref]
  • [13] G.C. Rao, R.K. Bandaru, and N. Rafi. Generalized almost distributive lattices - I. Southeast Asian Bulletin of Mathematics, 33:1175-1188, 2009.
  • [14] U.M. Swamy and G.C. Rao. Almost distributive lattices. Journal of Australian Mathematical Society, 31:77-91, 1981.
  • [15] Andrzej Trybulec. Enumerated sets. Formalized Mathematics, 1(1):25-34, 1990.
  • [16] Wojciech A. Trybulec. Partially ordered sets. Formalized Mathematics, 1(2):313-319, 1990.
  • [17] Wojciech A. Trybulec and Grzegorz Bancerek. Kuratowski - Zorn lemma. Formalized Mathematics, 1(2):387-393, 1990.
  • [18] Zinaida Trybulec. Properties of subsets. Formalized Mathematics, 1(1):67-71, 1990.
  • [19] Edmund Woronowicz. Relations and their basic properties. Formalized Mathematics, 1 (1):73-83, 1990.
  • [20] Edmund Woronowicz. Relations defined on sets. Formalized Mathematics, 1(1):181-186, 1990.
  • [21] Edmund Woronowicz and Anna Zalewska. Properties of binary relations. Formalized Mathematics, 1(1):85-89, 1990.
  • [22] Stanisław Zukowski. Introduction to lattice theory. Formalized Mathematics, 1(1):215-222, 1990.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.doi-10_2478_forma-2014-0026
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