4) 15 marks Consider the proposition (PQ)(PQ) Show that it is a contradiction by using both a 5 marks the truth table, and b 10 marks the logical equivalencies provided by Table 6 below

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4)  15 marks  Consider the proposition (PQ)(PQ)  Show that it is a contradiction by using both  a   5 marks  the truth table, and b   10 marks  the logical equivalencies provided by Table 6 below

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4) [15 marks] Consider the proposition (PQ)(PQ). Show that it is a contradiction by using both: a. [5 marks] the truth table, and b. [10

4) [15 marks] Consider the proposition (PQ)(PQ). Show that it is a contradiction by using both: a. [5 marks] the truth table, and b. [10 marks] the logical equivalencies provided by Table 6 below

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