If statements p,q,r have truth values T,F,T respectively, then which of the following statement is true?

A

(p→q)∧r

B

(p→q)∨∼r

C

(p∧q)∨(q∧r)

D

(p→q)→r

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Solution

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A. (p→q)∧r≡(T→F)∧T≡F∧T≡F

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