Set Union/Examples/2 Arbitrarily Chosen Sets

Example of Set Union

Let:

\(\ds S\)

\(=\)

\(\ds \set {a, b, c}\)

\(\ds T\)

\(=\)

\(\ds \set {c, e, f, b}\)

Then:

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

Sources

• 1965: J.A. Green: Sets and Groups ... (previous) ... (next): $\S 1.4$. Union: Example $14$