What does A\B mean?

  • #1
Hi, stupid question but what does A\B mean?
 

Answers and Replies

  • #2
chroot
Staff Emeritus
Science Advisor
Gold Member
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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
 
  • #3
Galileo
Science Advisor
Homework Helper
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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.
 

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