DISCRETE STRUCTURES i

Prove that the expression you found for question 4 above is equivalent to the expression using a truth table.

4. Using only the and the ^ operators, find a logical expression that is equivalent to-CpA-r )c. For this question, you do not need to specify "how" you found the equivalent expression because you will show both techniques in questions 5 and 6 below. (0.5 marks) 5. Prove that the expression you found for question 4 above is equivalent to the expression-Cp -r ) t > c by using only truth tables. Show all your work and do not skip any steps (i.e, ensure you that you include a new column for every single operation). (4.0 marks)