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Math Help - lattice partial order

  1. #1
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    lattice partial order

    HI there,

    If we have a poset ({1,2,4,8,16}, |), which is a lattice then

    is lower bound of {4,8} = 2,1
    greatest lower bound of {4,8} = 2
    upper bound of {4,8} = 8, 16
    least upper bound of {4,8} = 8

    Is the above given paragraph correct?
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  2. #2
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    [QUOTE=robocop_911;158171]HI there,

    If we have a poset ({1,2,4,8,16}, |), which is a lattice then

    is lower bound of {4,8} = 2,1,& 4
    greatest lower bound of {4,8} = 2 No. It is 4
    upper bound of {4,8} = 8, 16
    least upper bound of {4,8} = 8/QUOTE]
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