Chapter R, Problem 3T

(a)

To determine

To state: Whether the statement “$B\subseteq A$” is true of false, where $B=\left\{1,5,7,9\right\}$ and $A=\left\{1,3,5,7,9,11\right\}$.

(b)

To determine

To state: Whether the statement “$C\subseteq B$” is true of false, where $B=\left\{1,5,7,9\right\}$ and $C=\left\{1,9,11\right\}$.

(c)

To determine

To state: Whether the statement “$C\not\subset A$” is true of false, where $A=\left\{1,3,5,7,9,11\right\}$ and $C=\left\{1,9,11\right\}$.