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The Power Set

  1. Oct 4, 2013 #1
    How many elements does each of these sets have where a and b are distinct elements? (with steps please)

    a) P({a,b{a,b}})



    *i have tried to solve them but i am a little bit confused...

    Thanks in advance :)
    Last edited: Oct 4, 2013
  2. jcsd
  3. Oct 5, 2013 #2


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    Pls post your attempts at solution, including any reasoning.
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