Explicit Set Definition/Examples/Example 1

Example of Explicit Set Definition

An example of explicit set definition is:

$A := \set {\dfrac 1 2, 1, \sqrt 2, e, \pi}$

This denotes the set whose elements are the numbers $\dfrac 1 2$, $1$, $\sqrt 2$, $e$ and $\pi$.

Sources

• 1977: K.G. Binmore: Mathematical Analysis: A Straightforward Approach ... (previous) ... (next): $\S 1$: Real Numbers: $\S 1.1$: Set Notation