Question: Question no. 5, please. UIC 5. (15 pt.) Use the laws of propositional logic to prove that the following compound propositions are tautologies. a. (5

Question no. 5, please. Question no. 5, please. UIC 5. (15 pt.) Use the laws of

UIC 5. (15 pt.) Use the laws of propositional logic to prove that the following compound propositions are tautologies. a. (5 pt.) (p 1 (pvq)) 9 b. (10 pt.) ((p = q)^(q + r)) ( p r ) Additional Topics: Satisfiability (10 pt.) A compound proposition is said to be satisfiable if there is an assignment of truth values to its variables that makes it true. For example, p 1 q is true when p = T and q = T; thus, p 1 is satisfiable. When no such assignment exists, the compound proposition is said to be unsatisfiable. For example, up is always false; thus, p^ -p is unsatisfiable. p MacBook Pro Q Search or type URL Un

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