Question

Which of the following statements is a tautology?

• A. $((\sim p)\vee q)\Rightarrow p$
• B. $p\Rightarrow ((\sim p)\vee q)$
• C. $((\sim p)\vee q)\Rightarrow q$
• D. $q\Rightarrow ((\sim p)\vee q)$

Answer 1

Answer: (D)

Correct answer is (d) $q\Rightarrow ((\sim p)\vee q)$