Chapter 13, Problem 1RE

To determine

To write: The subsets of the given set.

Answer to Problem 1RE

The subset is $\text{Subset}=\left\{\right\},\left\{D\right\},\left\{J\right\},\left\{E\right\},\left\{D,J\right\},\left\{D,E\right\},\left\{J,E\right\},\left\{D,J,E\right\}$ .

Explanation of Solution

Given: The set is $\left\{\text{Dave,}\text{Joanne,}\text{Erica}\right\}$ .

Let $D$ be Dave, $J$ be Joanne and $E$ be Erica.

The subset of the given set are,

  $\text{Subset}=\left\{\right\},\left\{D\right\},\left\{J\right\},\left\{E\right\},\left\{D,J\right\},\left\{D,E\right\},\left\{J,E\right\},\left\{D,J,E\right\}$