Determine Whether the Following Argument Is Valid $\begin{array}{l}p \rightarrow r \\q \rightarrow r \\q \vee \neg r \\\hline\end{array}$

Determine whether the following argument is valid:


$\begin{array}{l}p \rightarrow r \\q \rightarrow r \\q \vee \neg r \\\hline\end{array}$
$\therefore \neg p$