Explicit Set Definition/Examples

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Examples of Explicit Set Definition

Some examples of explicit set definition are:


Example 1

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


Example 2

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


Example 3

$S := \set {\textrm {Tom, Dick, Harry} }$


Example 4

$T := \set {1, 2, 3, 4}$


Example 5

$V = \set {\textrm {red}, \textrm {orange}, \textrm {yellow}, \textrm {green}, \textrm {blue}, \textrm {indigo}, \textrm {violet} }$


Example 6

$W := \set {a, b, c}$

which can also be written as:

$W := \set {b, a, c}$

or:

$W := \set {c, b, a}$

or even as:

$W := \set {a, a, b, c, a, c, c, b, a}$


Example 7

$U := \set {u_1, u_2, u_3}$