23. Give a compound proposition involving propositions p, q and r that is true when exactly two of p, q and r are true a

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23 Give A Compound Proposition Involving Propositions P Q And R That Is True When Exactly Two Of P Q And R Are True A 1 (104.59 KiB) Viewed 65 times

23. Give a compound proposition involving propositions p, q and r that is true when exactly two of p, q and r are true and is false otherwise. A. (pVq^r) V (p V q ^r) ^ (p^q^r) B. (p^q Vr) ^ (p^q^r) V (p^q^r) C. (p^q^r) v (pv -q ^r) v (p^q^r) D. (p Vr^q) v (p^q^r) V (p^q^r) 24. Which of the following is a correct predicate logic statement for "Every Natural number has one successor"? A. V x 3y (succ(x,y)^ (3 z succ(x,z)→ equal (y,z))) B. Vxy (succ(x,y)V (3 z succ(x,z)→ equal(y,z))) C. 3 y Vx (succ(x,y)^ (3 z succ(x,z)→ equal(y,z))) D. Vx3y succ(x,y) 25. The preposition (p→q) ^ (-q V p) is equivalent to: A. q→ p B. p q C. (q→p) ^ (p→q) D. (p→q) V (q→ p)