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Determine the Validity of the Following Argument pqqrr\begin{array} { l } \sim p \vee q \\\frac { q \rightarrow \sim r } { \therefore \sim r }\end{array}

question 25

Multiple Choice

Determine the validity of the following argument.
pqqrr\begin{array} { l } \sim p \vee q \\\frac { q \rightarrow \sim r } { \therefore \sim r }\end{array}


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