Suppose p, q, r, s are propositions such that p ^ q is true and r v s is false. Determine the truth value of each of the following propositions.  6. (s v p)<->(q ^ r) 7. ~ [p v (s <-> q)] -> r 8. ~ (p v q) <-> (r -> s) 9. [q v ( s <-> p )] -> ~r 10.  (q v r) -> [~s v (p <-> q)]

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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A. Suppose p, q, r, s are propositions such that p ^ q is true and r v s is false. Determine the truth value of each of the following propositions. 

6. (s v p)<->(q ^ r)
7. ~ [p v (s <-> q)] -> r
8. ~ (p v q) <-> (r -> s)
9. [q v ( s <-> p )] -> ~r
10.  (q v r) -> [~s v (p <-> q)]

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