Question: 2.18. Prove the absorption law from Proposition 2.7 (d) using (a) a truth table (b) logical cquivalenccs that exploit de Morgan's law, double ncgation, and

2.18. Prove the absorption law from Proposition 2.7 (d) using (a)

2.18. Prove the absorption law from Proposition 2.7 (d) using (a) a truth table (b) logical cquivalenccs that exploit de Morgan's law, double ncgation, and the absorption law from Proposition 2.7 (c) (c) known logical equivalences (such as distributive, identity, and domination laws), but without the use of de Morgan's law

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