JEE Math Practice Question
Which one of the following statements is not a tautology?
- A.(p $$ \wedge $$ q) $$ \to $$ ( p) $$ \vee $$ q
- B.(p $$ \wedge $$ q) $$ \to $$ p
- C.( p $$ \vee $$ q) $$ \to $$ ( p $$ \vee $$ ( q))
- D.p $$ \to $$ ( p $$ \vee $$ q)
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