Answer
The given statement in symbolic form is \[\tilde{\ }\left( p\wedge \tilde{\ }q \right)\], where
\[p\]: I bought a meal ticket.
\[q\]: I used ticket.
The truth table for the statement given in part (a).
The truth value of \[\tilde{\ }\left( p\wedge \tilde{\ }q \right)\] is true for each case except when the statements p is true and q is false.