Let A and B be two logically equivalent compound propositions. Then * O (AAB)→(AVB) is a contradiction O (AAB)→(AvB) is a tautology O AAB is a tautology O None of these O AAB is a contradiction

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Let A and B be two logically equivalent compound
*
propositions. Then
(AAB)+(AVB) is a contradiction
O (AAB)+(AVB) is a tautology
O AAB is a tautology
O None of these
O AAB is a contradiction
O O O O O
Transcribed Image Text:Let A and B be two logically equivalent compound * propositions. Then (AAB)+(AVB) is a contradiction O (AAB)+(AVB) is a tautology O AAB is a tautology O None of these O AAB is a contradiction O O O O O
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