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Exercise 1.4 Model Answer

The following passage (based on 5.0-1) contains a simple argument based on an objection.  Create an argument map of that simple argument.

The Apollo pictures were taken in a studio on Earth.  Therefore, it is not true that the Apollo astronauts landed on the moon.

The correct map of this piece of reasoning is

Note that by reversing the contention, you can turn the objection into a reason:

However in this particular case this second map would not be as good as the first, since the first better reflects the way the reasoning was presented in the original text.  There, the phrase "Therefore, it is not true that..." indicates that you are dealing with an objection.

 Last updated 28-Nov-2006