# Set/Examples/Living People

## Example of Set

Let $P$ denote the set of living people.

Then:

 $\displaystyle \text {The person reading this web page}$ $\in$ $\displaystyle P$ $\displaystyle \text {Julius Caesar}$ $\notin$ $\displaystyle P$ $\displaystyle -4$ $\notin$ $\displaystyle P$