Question: 9. Consider the logical connective 4 defined by the truth table: P Q PIQ T T F F T F F T There is only

9. Consider the logical connective 4 defined by the truth table: P Q PIQ T T F F T F F T There is only one statement below that is not a tautology. Find it. ( a ) = ( - P A - Q ) + (( ( P + P ) + ( P + P ) ) + ( ( Q + Q ) + ( Q + Q))). ( b ) - P + ( PIP). ( c ) ( P A Q ) + ( ( P + P ) + ( Q + Q ) ). ( d) ( P VQ ) # - ( ( P 1 P) A ( Q +Q) )

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