Review for Quiz Chapter 1

Let  $U=\left\{a,\ b,\ c,\ d,\ e,\ f,\ g,\ h\right\},\ A=\left\{a,\ b,\ c,\ d\right\},\ B=\left\{b,\ e,\ a,\ d\right\},$ and  $C=\left\{e,\ a\right\}.$  Identify the statement as true or false.

 $\phi\not\subset C$  

• True

• False

Give a word description for the set.

{Sun, Mon, Tue, ..., Sat}

Express each set in set-builder notation.

 $\left\{24,\ 32,\ 40,\ 48,\ ...,\ 88\right\}$  

Place  $\subset,\ \subseteq,\$ both, or neither in each blank to make the statement true. 

 $\phi$  ___ {x | x is a counting number between 20 and 21}

Place  $\subset,\ \subseteq,\$ both, or neither in each blank to make the statement true. 

 $\left\{3,\ 5,\ 7\right\}$  ___  $\left\{4,\ 5,\ 6,\ 7,\ 8,\ 9,\ 10\right\}$