MCQ
Which of the following statement is contingency?
  • A
    $(p \vee q) \vee \sim q$
  • B
    $(p \vee q) \vee \sim p$
  • $(p \vee q) \wedge \sim q$
  • D
    $p \rightarrow(p \vee q)$

Answer

Correct option: C.
$(p \vee q) \wedge \sim q$
$p$ $q$             $p \rightarrow(p \vee q)$
$T$ $T$ $F$ $F$ $T$ $T$ $T$ $F$ $T$
$T$ $F$ $F$ $T$ $T$ $T$ $T$ $T$ $T$
$F$ $T$ $T$ $F$ $T$ $T$ $T$ $F$ $T$
$F$ $F$ $T$ $T$ $F$ $T$ $T$ $F$ $T$

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