Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Universal set question

  1. Sep 13, 2005 #1
    Let's say I have to prove something about two sets and I want to make use of the notion of the universal set. Is it OK then to define the universal set as the union of these two sets?

    - Kamataat
  2. jcsd
  3. Sep 13, 2005 #2


    User Avatar
    Science Advisor
    Homework Helper

    Last edited: Sep 14, 2005
  4. Sep 13, 2005 #3
  5. Sep 14, 2005 #4
    Wouldn't you also have to union (in addition to the two sets) the intersection of the complements of the two sets?
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: Universal set question