Thinking Skills: Critical Thinking and Problem Solving

(singke) #1

2.2 Judging claims 27


3    Compare these two claims:

[A] Polar bears will be extinct by the
middle of the century.
[B] Polar bears are an endangered
species.
One of these claims is stronger than the
other. Which one is it, and why?

Answers and comments are on page 311.

1    Invent a story or scenario in which a claim
is made that is true but unwarranted.
2 Give an example of a claim that you
consider to be:
a justified on the balance of probability
b justified beyond reasonable doubt
c completely justified; certain.
In each case say why your claim matches
the description.

End-of-chapter assignments

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