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Is it possible to prove this set inequality given the constraints?

  1. Feb 8, 2014 #1
    1. The problem statement, all variables and given/known data

    LHPlHKR.png

    2. Relevant equations

    I have to use these set identities:

    rD3CeXi.png

    hW9GJqA.png

    REAXX4U.png

    3. The attempt at a solution

    Pretty sure this is impossible since it's an inequality.
     
  2. jcsd
  3. Feb 8, 2014 #2

    mfb

    User Avatar
    2016 Award

    Staff: Mentor

    I thunk you can convert the inequality in two equalities with the right set and theorem 6.2.3.
     
  4. Feb 8, 2014 #3
    Nice, I proved it using this and it only took 19 steps.
     
    Last edited: Feb 8, 2014
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