Question: Math. Reasoning and Alg. Thinking 2. Find a proposition with three variables p,q, and r that is: a) never true. b) never false. c) false,

Math. Reasoning and Alg. Thinking

2. Find a proposition with three variables p,q, and r that is: a) never true. b) never false. c) false, only when p=T,q=F and r=T. d) true, only when all variables are false. 3. Exercise 34 on page 25 in the textbook. 4. Show that (qp)(pq) and pq are logically equivalent without using a truth tabl 5. Find the Principal Disjunctive Normal Form and the Principal Conjunctive Normal Form for the following proposition: (qp)(pr)

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