Which of the following pairs of sets are disjoint
$\{a, e, i, o, u\}$ and $\{c, d, e, f\}$
Which of the following pairs of sets are disjoint
$\{a, e, i, o, u\}$ and $\{c, d, e, f\}$
$\{a, e, i, o, u\} \cap\{c, d, e, f\}=\{e\}$
Therefore, $\{a, e, i, o, u\}$ and $\{c, d, e, f\}$ are not disjoint.
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