Sample Paper (Revision) Question 1 (a) Construct a truth table for each of these compound propositions: (i) (P-Q) ^ (-PQ) (-Po-Q) + (QeP) (ii) (b) Use truth tables to show that the following are logically equivalent: Peo (Q R) and P (Q v R) (i) (ii) (P v Q) R and (P R) ^ (Q v R) (c) Decide whether each of the following compound propositions are tautologies, contradictions, or contingencies. You may use truth tables. -(P Q) A -Q) -PA (PAQ) (i) (ii)