Symbolic Logic Worksheet 3 Name 1. Complete the truth table below using your knowledge of symbolic logic. p q ~q p ∧q p ∨q p →q q →p p ↔q p →~q p ∨q →p p ∧q →q T T T F F T F F Answer questions 2 through 9 based on the truth table above. 2. Which statement is negation? 3. Which statements are conditionals? 4. Which statement is a disjunction? 5. Which statement is a biconditional? 6. Which statement is a conjunction? 7. Which statements are logically equivalent? 8. Which statement is a tautology? 9. Determine which of the following statements are tautologies by constructing a truth table. Write yes or no in the space provided. a) r ∨~r b) r →~r c) (x ∨y) →(x ∧y) d) ~(p ∨q) ↔(~p ∧~q) Copyright © 2005-2011 Mrs. Glosser’s Math Goodies, Inc. All Rights Reserved. mathgoodies.com