Determine Whether the Argument Is Valid or Invalid by Using $\begin{array}{l}A \cdot B \\ \sim \underline{B} \\ \therefore \sim A\end{array}$

Essay

Determine whether the argument is valid or invalid by using the Truth Table Method.
- $\begin{array}{l}A \cdot B \\ \sim \underline{B} \\ \therefore \sim A\end{array}$