Midterm

Question 1

1. All trains are trucks.
2. Donald Trump is a train.
   C. Donald Trump is a truck. [1, 2]

The argument above is

A. invalid, because each of its premises is false.

B. valid, because if it’s true that Donald Trump is a truck, then that logically guarantees that each of the premises is true.

C. invalid, because it has a premise that is unreasonable to believe.

D. valid, because its conclusion logically follows from its premises.

Answer 1

D. valid, because its conclusion logically follows from its premises.

Question 2

Suppose you know that a deductive argument is invalid and that all its premises are false. What can you reasonably conclude on the basis of your knowledge that the argument is invalid and that all its premises are false?

A. The argument fails to prove to you that its conclusion is true.

B. The argument fails the conclusive premises test for any reasonable person.

C. The argument’s conclusion is false.

Answer 2

A. The argument fails to prove to you that its conclusion is true.