\(\setminus\)
\(A \setminus B\) is set difference between \(A\) and \(B\): the set containing all elements of \(A\) which are not elements of \(B\text{.}\)
\(A \setminus B\) is set difference between \(A\) and \(B\): the set containing all elements of \(A\) which are not elements of \(B\text{.}\)