Results 1 to 3 of 3

Thread: Set Theory Help - Simple Question

  1. December 3rd 2008, 10:07 AM #1
    snox01
    snox01 is offline
    Newbie
    Joined
    Dec 2008
    Posts
    4

    Set Theory Help - Simple Question

    I have got the following question

    (AUC)'\(CnD)

    What does the \ mean?

    Tried googling and looking in a book but cant find it
    Follow Math Help Forum on Facebook and Google+
  2. December 3rd 2008, 10:41 AM #2
    clic-clac
    clic-clac is offline
    Senior Member
    Joined
    Nov 2008
    From
    Paris
    Posts
    354
    A\ B (or A-B) is the relative complement of A in B.

    A-B=\{x\in A; x \notin B \}
    Follow Math Help Forum on Facebook and Google+
  3. December 3rd 2008, 10:41 AM #3
    Opalg
    Opalg is offline
    MHF Contributor
    Opalg's Avatar
    Joined
    Aug 2007
    From
    Leeds, UK
    Posts
    4,041
    Thanks
    7
    Set-theoretic difference. The expression (A\cup C)'\setminus (C\cap D) means the set of all elements of (A\cup C)' that are not in C\cap D.
    Follow Math Help Forum on Facebook and Google+
« cardinality | define a relation... »

Similar Math Help Forum Discussions

  1. Simple Set Theory Theorem
    Posted in the Discrete Math Forum
    Replies: 1
    Last Post: October 3rd 2010, 12:11 PM
  2. Group Theory - Sylow Theory and simple groups
    Posted in the Advanced Algebra Forum
    Replies: 16
    Last Post: May 16th 2009, 11:10 AM
  3. Set Theory Help - Simple Question
    Posted in the Statistics Forum
    Replies: 4
    Last Post: December 3rd 2008, 10:51 AM
  4. simple graph theory
    Posted in the Discrete Math Forum
    Replies: 0
    Last Post: October 29th 2008, 04:31 PM
  5. [SOLVED] [SOLVED] Simple set theory question (wellfoundedness)
    Posted in the Discrete Math Forum
    Replies: 0
    Last Post: February 23rd 2008, 06:59 PM

Search Tags


/mathhelpforum @mathhelpforum