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Topology Munkres answer

  1. Jul 27, 2011 #1
    Would anyone care to share their answer for problem 17.18 in munkres intro topology book?
    no need for indepth explanation, just the answer will work (computational problem).
  2. jcsd
  3. Jul 27, 2011 #2


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    The policy here is that you have to show your attempt to solve the problem first.
  4. Jul 27, 2011 #3
    Come on, it's not so difficult. Can you give me a base of the open sets of the ordered square?

    For A (and for all the rest), you'll need to check for each point x whether every basic open set that contains x, will intersect A.
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