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Maximal, greatest, minimal and least elements of a set

  1. Apr 15, 2014 #1
    Definition of maximal, greatest, minimal and least elements of a set: http://i.stack.imgur.com/PnI9V.png

    lIKQy.png

    Since c is a minimal element but c is not a least element, this implies that there is one element that is not comparable to c. What is that element? What about d and i?
     
  2. jcsd
  3. Apr 15, 2014 #2

    micromass

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    The elements ##d##, ##i##, ##e##, ##f## and ##h## are not comparable to ##c##.
     
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