Unformatted text preview: Argument Validity 1. The sign on the parking meter says “Out of Order,” so the meter isn’t working. The conclusion is probably true because the premise suggests that it is likely that the meter may not be working. 2. The annual rainfall in California’s north valley averages twenty-three inches. So the rainfall next year will be twenty-three inches. The conclusion is probably true because it is likely that the rainfall could be twenty-three inches next year because of the stated premise. 3. You expect to get forty miles to the gallon in that? Why, that old wreck has a monster V8; besides, it’s fifty years old and needs an overhaul. The conclusion is possibly true because the premises are valid; therefore it is likely that the age of the vehicle and the size of the engine may reduce the amount of miles to the gallon. 4. In three of the last four presidential races, the winner of the Iowa Republican primary has not captured the Republican nomination. Therefore, the winner of the next Iowa Republican primary will not capture the Republican nomination....
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- Spring '10
- Princeton University, Yale University, Harvard University