1. The only time a disjunction is true is when both disjuncts are true. (a) True (b) False (c) Unable to determine 2. The only time a biconditional is false is when both conditionals are false. (a) True (b) False (c) Unable to determine 3. A conditional is false whenever the antecedent is false. (a) True (b) False (c) Unable to determine 4. A conditional is true whenever the consequent is true. (a) True (b) False (c) Unable to determine 5. A conjunction is never false since it is always valid to conjoin two statements together. (a) True (b) False (c) Unable to determine