JEE Math Practice Question
Which of the following Boolean expressions is not a tautology?
- A.(p $$\Rightarrow$$ q) $$ \vee $$ ($$ \sim $$ q $$\Rightarrow$$ p)
- B.(q $$\Rightarrow$$ p) $$ \vee $$ ($$ \sim $$ q $$\Rightarrow$$ p)
- C.(p $$\Rightarrow$$ $$ \sim $$ q) $$ \vee $$ ($$ \sim $$ q $$\Rightarrow$$ p)
- D.($$ \sim $$ p $$\Rightarrow$$ q) $$ \vee $$ ($$\sim$$ q $$\Rightarrow$$ p)
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