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Math Help - LUB, GLB, maximum and minimum of a set .

  1. #1
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    LUB, GLB, maximum and minimum of a set .

    I am not sure if my solution for the following problem is correct, in my class I have never seen GLB to be ∞ . Could it not exist?

    Evaluate LUB, GLB, maximum and minimum (if they exist) of {n:nN}.

    My answers:
    LUB: 1
    GLB:
    max: 1
    min: none
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  2. #2
    MHF Contributor

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    Re: LUB, GLB, maximum and minimum of a set .

    If a set has NO lower bound then we say that the "GLB" is -\infty.
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