algebra universalis

, Volume 12, Issue 1, pp 268–269 | Cite as

A single axiom for closure operations

  • Paul De Witte


Binary Relation Binary Operation Simple Condition Lattice Theory Unary Operation 
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    Garrett Birkhoff,Lattice Theory, Amer. Math. Soc. Coll. Publ. 25, third edition, Providence (1967).Google Scholar
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    Richard Dedekind,Was sind und was sollen die Zahlen? Reprinted in:Gesammelte mathematische Werke, Dritter Band, Braunschweig (1932).Google Scholar
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    Kiyoshi Iseki, On closure operation in lattice theory, Indag. Math.13 (1951), 318–320. MR 13, 425.MATHMathSciNetGoogle Scholar
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    António Monteiro, Caractérization de l'opération de fermeture par un seul axiome, Portugal. Math.4 (1945), 158–160. MR 7, 8.MATHMathSciNetGoogle Scholar

Copyright information

© Birkhäuser Verlag 1981

Authors and Affiliations

  • Paul De Witte
    • 1
  1. 1.University of WaterlooWaterlooCanada

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