Q2.3

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Which of the following is NOT True? (Read $\wedge$ as AND, $\vee$ as OR, $\neg$ as NOT, $\rightarrow$ as one way implication and $\leftrightarrow$ as two way implication)

(A)

$((x \rightarrow y) \wedge x) \rightarrow y$

(B)

$((\neg x \rightarrow y) \wedge (\neg x \rightarrow \neg y)) \rightarrow x$

(C)

$(x \rightarrow (x \vee y))$

(D)

$((x \vee y) \leftrightarrow (\neg x \rightarrow \neg y))$

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