Set Union/Examples/2 Arbitrarily Chosen Sets

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Example of Set Union

Let:

\(\displaystyle S\) \(=\) \(\displaystyle \set {a, b, c}\) $\quad$ $\quad$
\(\displaystyle T\) \(=\) \(\displaystyle \set {c, e, f, b}\) $\quad$ $\quad$

Then:

$S \cup T = \set {a, b, c, e, f}$


Sources