A/B Meaning: Definition & Explanation

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The term "A\B" refers to the set difference between two sets A and B, defined mathematically as A\setminus B = {x ∈ A | x ∉ B}. This notation is commonly used in set theory and can also be represented as A - B. In discussions of set theory, it is important to understand that A\B results in a set containing elements of A that are not in B, which is crucial for various mathematical proofs and applications.

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physicsuser
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Hi, stupid question but what does A\B mean?
 
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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
 
If A and B are sets:
A\setminus B=\{x\in A | x\notin B\}

Sometimes also written as A-B.
 

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