Question: The logical operator, is read if and only if , P Q is defined as being equivalent to (P Q) ^ (Q P). Based on

The logical operator", is read "if and only if , P Q is defined as being equivalent to (P Q) ^ (Q P). Based on this definition, show that P Q is logically equivalent to (P v Q) (PA Q): a. By using truth tables. b. By a series of substitutions using the identities on page 51

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