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What does A\B mean?

  1. Mar 15, 2006 #1
    Hi, stupid question but what does A\B mean?
  2. jcsd
  3. Mar 15, 2006 #2


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    You might want to provide some context to the question. Otherwise, it's meaningless.

    It might mean "A divided by B" or "A given B" or any number of other things.

    - Warren
  4. Mar 15, 2006 #3


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    If A and B are sets:
    [tex]A\setminus B=\{x\in A | x\notin B\}[/tex]

    Sometimes also written as A-B.
  5. Mar 15, 2006 #4
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