The statement pattern (p lor q) to sim r is l | vedclass

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(C) Step $1$: Use the logical equivalence $A 	o B \equiv \sim A \lor B$.Step $2$: Apply this to the given expression $(p \lor q) 	o \sim r$, where $

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$(\sim p \land \sim q) \lor \sim r$

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(C) Step $1$: Use the logical equivalence $A 	o B \equiv \sim A \lor B$.Step $2$: Apply this to the given expression $(p \lor q) 	o \sim r$, where $A = (p \lor q)$ and $B = \sim r$.Step $3$: The expression becomes $\sim (p \lor q) \lor \sim r$.Step $4$: Apply De Morgan's Law, $\sim (p \lor q) \equiv (\sim p \land \sim q)$.Step $5$: Substituting this back, we get $(\sim p \land \sim q) \lor \sim r$.

The statement pattern $(p \lor q) \to \sim r$ is logically equivalent to

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