# Subset/Examples/Romeo and Juliet

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## Example of Subset

Let $B$ denote the set:

$B := \set {\textrm {Romeo}, \textrm {Juliet} }$

Let $D$ denote the set:

$D := \set {y: \text {$y$loves Romeo} }$

Then:

$B \subseteq D$

presuming, of course, that Romeo actually loves himself, which may be doubted considering he took his own life.