Hint for Section 1.1 Question 6

6. Since there are two statement variables, the truth table will have 4 rows. Start by filling in the four different combinations of truth values for p and q.

p q   p L q ~p ~q p  L ~q ~p V (p L ~q)   (p L q) V (~p V (p L ~q))
T T                
T F                
F T                
F F                

Now fill in columns 3, 4 and 5 using the truth tables for L and ~.

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