Previously proven logical equivalencies

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Prove: P _ (Q _ R) _ ¬(P _ Q) _ R by using (i) the truth table; (ii) previously proven logical equivalencies  

Let P, Q, and R be statements. Prove: P _ (Q _ R) _ ¬(P _ Q) _ R
by using (i) the truth table; (ii) previously proven logical equivalencies

Reference no: EM1318152

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