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Definition Of The Complement Of A Set

  1. Oct 5, 2012 #1
    Hello, my book defines the complement of a set like so: {x ∈ U | x /∈ A}

    To me, it seems like the definition should be [itex](x| x \in U \wedge x \notin A)[/itex]

    Which is more proper?
     
  2. jcsd
  3. Oct 5, 2012 #2

    HallsofIvy

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    They both say exactly the same thing.
     
  4. Oct 5, 2012 #3
    Okay, thank you.
     
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