Question: The following problems relate to propositional logic. a) (5 points) Show that (p - q) v (p - r) and p - (qvr) are logically

The following problems relate to propositional logic. a) (5 points) Show that (p - q) v (p - r) and p - (qvr) are logically equivalent.b)(5 points) Show that (p Aq) - r and (p - r) A (q - r) are not logically equivalent, using a truth table.c) (5 points) Decide if (-p) - (q - r) and q - (pvr) are logically equivalent or not. Explain your

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