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Math Help - set builder notation

  1. #1
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    set builder notation

    Hi!

    If I want to write 1,2,3,4 and 5 in set notation I would (I presume) write {x E N : 1 <= x <= 5}. But how do I write 1,1.5,2,2.5,3,3.5,4,4.5,5 in set notation?
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  2. #2
    Super Member Failure's Avatar
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    Quote Originally Posted by ErikaAnderssen View Post
    Hi!

    If I want to write 1,2,3,4 and 5 in set notation I would (I presume) write {x E N : 1 <= x <= 5}. But how do I write 1,1.5,2,2.5,3,3.5,4,4.5,5 in set notation?
    How about \left\{\tfrac{n}{2}\;:\; n\in\mathbb{N}, 2\leq n \leq 10\right\}?
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  3. #3
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    Thank you
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