Question: Problem 4.3. Set Formulas and Propositional Formulas. (a) Verify that the propositional formula (P AND )OR (P AND Q) is equivalent to P (b) Prove

Problem 4.3. Set Formulas and Propositional Formulas.

Problem 4.3. Set Formulas and Propositional Formulas. (a) Verify that the propositional

(a) Verify that the propositional formula (P AND )OR (P AND Q) is equivalent to P (b) Prove that A=(A _ B) U (A n B) for all sets, A, B, by showing for all elements x using the equivalence of part (a) in a chain of IFF's

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