In: Psychology
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.