Set/Examples/Living People
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Example of Set
Let $P$ denote the set of living people.
Then:
\(\ds \text {The person reading this web page}\) | \(\in\) | \(\ds P\) | ||||||||||||
\(\ds \text {Julius Caesar}\) | \(\notin\) | \(\ds P\) | ||||||||||||
\(\ds -4\) | \(\notin\) | \(\ds P\) |
Sources
- 1965: J.A. Green: Sets and Groups ... (previous) ... (next): $\S 1.1$. Sets: Example $3$