Question: 1. Consider the following propositions: . - [p+(Ar) . (A-2) V(p^-r) (a) Use a truth table to show that these propositions are logically equivalent. (b)

1. Consider the following propositions: . - [p+(Ar) . (A-2) V(p^-r)

1. Consider the following propositions: . - [p+(Ar) . (A-2) V(p^-r) (a) Use a truth table to show that these propositions are logically equivalent. (b) What can we then conclude about the following proposition? -p+(Ar)] (A-) V (PA)

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