Question 4. The following are logical laws shown in our lecture. Find their dual versions if exist. Implication law Idempotent lauw Commutative law A → B = ¬AV B ΑΛΑ Α АЛВ 3D ВЛА (АЛ В) ЛС %3 АЛ (ВЛС) АЛ (AV B) А Associative law Absorption law АЛ (BVC) (АЛ В)V (AЛС) Distributive law Double Negation law De Morgan's law Excluded middle law ¬A = A ¬(A ^ B) = ¬AV¬B A^¬A = F Identity law Domination law AAT = A ΑΛF F

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