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

question 158

Short Answer

Determine whether the following argument is valid: $$\begin{array} { l } p \rightarrow r \\q \rightarrow r \\ q \vee \neg r \\\hline \therefore p\end{array}$$

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