Recent content by Jack Pullen

  1. J

    Interested in Joining a Real Analysis Study Group Online?

    Yes, I am interested. I have taken two semesters of advanced caculus and one semester of Real analysis. I have several books related to Real analysis but I suppose buying a new one wouldn't hurt.
  2. J

    Is It Possible to Embed the Set of Rational Numbers in a Countable Set?

    What about the H. L. Royden method of showing countability, showing that the set is the range of a sequence?
  3. J

    Is It Possible to Embed the Set of Rational Numbers in a Countable Set?

    What about f(1, 2) and f(2, 4)? I don't think f is one-to-one.
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