Set Difference/Examples

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Examples of Set Difference

Example: $\set {1, 2, 3} \setminus \set { 2, 4, 5, 6}$

Let $S$ and $T$ be sets such that:

$S = \set {1, 2, 3}$
$T = \set {2, 4, 5, 6}$

Let $\setminus$ denote set difference.

Then:

$S \setminus T = \set {1, 3}$

while:

$T \setminus S = \set {4, 5, 6}$


Arbitrary Example $1$

Let:

\(\ds A\) \(=\) \(\ds \set {1, 2}\)
\(\ds B\) \(=\) \(\ds \set {2, 3}\)

Then:

$A \setminus B = \set 1$