For each of the following arguments, identify the premise or premises and the conclusion. We know...

For each of the following arguments, identify the premise or premises and the conclusion.
1. We know that some creatures lived and died off long before humans were around, because we have discovered the fossilize remains of plants and animals for which no human groups have records of living specimens.
2. Even if the probability that any given star is orbited by a planet with life is incredibly small, it seems that there must be extraterrestrial life since there is an incredibly enormous number of stars that exist in the universe.
3. If you want to do well for yourself you should be kind to others, because people repay favors.
4. If you want to do well for yourself, you should be kind to others. I know you want to do well for yourself. So, you should be kind to others.
5. If you can assign every item on one list to one item on a different list, so that every item on the second list has exactly one item assigned to it, there are the same number of items in each list. You can assign the number 2 to the number 1, the number 4 to the number 3, the number 6 to the number 5, and so on forever. There is the same number of odd and even numbers.

Expert Solution

1. Conclusion: Some creatures lived and died off long before humans were around.
Premise: We have discovered the fossilize remains of plants and animals for which no human groups have records of living specimens.

2. Conclusion: Even if the probability that any given star is orbited by a planet with life is incredibly small, it seems that there must be extraterrestrial life.
Premise: There is an incredibly enormous number of stars that exist in the universe.

3. Premise: If you want to do well for yourself you should be kind to others, because people repay favors.
Premise: If you want to do well for yourself, you should be kind to others. I know you want to do well for yourself.
Conclusion: So, you should be kind to others.

4. Premise: If you can assign every item on one list to one item on a different list, so that every item on the second list has exactly one item assigned to it, there are the same number of items in each list.
Conclusion: You can assign the number 2 to the number 1, the number 4 to the number 3, the number 6 to the number 5, and so on forever. There is the same number of odd and even numbers.

Hayet Jeridi answered 8 months ago

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