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Appendix

Chapter
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Part of the Teubner-Texte zur Mathematik book series (TTZM, volume 125)

Abstract

A partially ordered set or poset P = (P, ≤) is a set P with a binary relation ≤ satisfying the following three conditions:
  1. (i)

    x ≤ x for all x ∈ P (reflexivity)

     
  2. (ii)

    x ≤ y and y ≤ x imply x= y (antisymmetry)

     
  3. (iii)

    x ≤ y and y ≤ z imply x ≤ z (transitivity).

     

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Copyright information

© Springer Fachmedien Wiesbaden 1991

Authors and Affiliations

  1. 1.HalleGermany

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