1 let p , q and r are three propositions . using the truth table to find : p - (qAr -> (94> -1) r)
1\\ let p , q and r are three propositions . using the truth table to find : p - (qAr -> (94> -1) r) 2\\ Which of the following statements is tautology and which one is contradiction: 1 )p -p 2)p -> p 3 with out using the truth table show that : - ( - p A (q -> p)) = pv
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