PrepTest 75, Section 3, Question 9
We know that if life ever existed on the Moon, there would be signs of life there. But numerous excursions to the Moon have failed to provide us with any sign of life. So there has never been life on the Moon.
We know that if life ever existed on the Moon, there would be signs of life there. But numerous excursions to the Moon have failed to provide us with any sign of life. So there has never been life on the Moon.
We know that if life ever existed on the Moon, there would be signs of life there. But numerous excursions to the Moon have failed to provide us with any sign of life. So there has never been life on the Moon.
We know that if life ever existed on the Moon, there would be signs of life there. But numerous excursions to the Moon have failed to provide us with any sign of life. So there has never been life on the Moon.
The pattern of reasoning in the argument above is most similar to that in which one of the following?
We know that the spy is a traitor. We do not know that the general is a traitor. So the general is not a spy.
If we have any mayonnaise, it would be in the refrigerator. But the refrigerator is almost empty. So it is unlikely that we have mayonnaise.
Hendricks will win the election only if voters are concerned primarily with fighting crime. Hendricks is in favor of tougher criminal penalties. So voters will probably go with Hendricks.
If rodents are responsible for the lost grain from last year's harvest, we would find signs of rodents in the warehouses. And we have found signs of rodents there. So rodents are responsible for the lost grain.
If their army is planning an attack, there would either be troop movements along the border or a transfer of weapons. But intelligence reports show no indication of either. So their army is not planning an attack.
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