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For each of the following propositions, construct a truth table showing a column for each operator. If there is a biconditional, represent it with three

For each of the following propositions, construct a truth table showing a column for each
operator. If there is a biconditional, represent it with three columns; two columns for
each of the two implications and the third column for the 'AND' of the implications.
Indicate whether the proposition is a tautology, a contradiction, or a contingency.
(PvvQ)(not(PQ))(notP)
(P??Q??R)??(notPvvnotQvvnotR)
(P??Q??R)V(notPvvnotQvvnotR)
(P??R)??not(PvvnotQ)
(P=>Q)VnotQ
(P??notQ)=>not(P=>Q)
(P=>Q)>(notQ=>notP)
(notP??notQ)>not(P??Q)
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