Hint for Section 1.1 Question 5

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

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

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