# Which one of the following statements is not a tautology? Option 1) $(p \vee q)\rightarrow (p\vee (-q))$ Option 2) $(p\wedge q)\rightarrow (\sim p)\vee q$ Option 3) $p\rightarrow (p\vee q)$ Option 4) $(p\wedge q)\rightarrow p$

Option 1)

$(p \vee q)\rightarrow (p\vee (-q))$

Option 2)

$(p\wedge q)\rightarrow (\sim p)\vee q$

Option 3)

$p\rightarrow (p\vee q)$

Option 4)

$(p\wedge q)\rightarrow p$

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