JEE Math Practice Question
Let r $$\in$$ {p, q, $$\sim$$p, $$\sim$$q} be such that the logical statement r $$\vee$$ ($$\sim$$p) $$\Rightarrow$$ (p $$\wedge$$ q) $$\vee$$ r is a tautology. Then r is equal to :
- A.p
- B.q
- C.$$\sim$$p
- D.$$\sim$$q
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