The following is a review quiz for objectives 9-2 and 9-3.

1			Which of the following best defines the concept, Truth Functionally Equivalent?
			A)	Two claims are truth-functionally equivalent when they have the same antecedents and consequents.
			B)	Two claims are truth-functionally equivalent when they have the same truth tables.
2			The word "if" when used alone, introduces which of the following?
			A)	The antecedent of a conditional.
			B)	The consequent of a conditional.
3			The phrase 'only if" introduces which of the following?
			A)	The consequent of a conditional.
			B)	The antecedent of a conditional.
4			It is fair to say that when translating claims into symbols, you can treat the word "unless" exactly like the word "or."
			A)	True
			B)	False
5			Which of the following is the best definition of validity?
			A)	An argument is valid if its premises are true.
			B)	An argument is valid if its conclusion is true.
			C)	An argument is valid if its premises are true and its conclusion is true.
			D)	An argument is valid if and only if the truth of its premises guarantees the truth of the conclusion.