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Critical Thinking
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Basic Logical Concepts

True or False

Indicate in the space provided whether the following statements are true (T) or false (F).



1

A deductive argument is always intended to show that its conclusion is highly plausible.
A)TRUE
B)FALSE
2

In an inductive argument, the author's intention is to show that some conclusion would likely be true if the premises are true.
A)TRUE
B)FALSE
3

All deductive arguments are either sound or unsound.
A)TRUE
B)FALSE
4

In order to determine whether an argument is valid, one must first know whether the premises are true.
A)TRUE
B)FALSE
5

According to the strict necessity test, if it is physically impossible for the conclusion to be false when the premises are true, then the argument is definitely deductive.
A)TRUE
B)FALSE
6

According to the text, an argument that fails the strict necessity test should still be treated as deductive when the argument has a pattern of reasoning that is characteristically deductive, and nothing else about the argument indicates clearly that the argument is meant to be inductive.
A)TRUE
B)FALSE
7

According to the principle of charity test, it is sometimes preferable to treat an argument as inductive even when the arguer uses deduction indicators such as "it is certain that."
A)TRUE
B)FALSE
8

All cogent arguments are valid.
A)TRUE
B)FALSE
9

A deductive argument with true premises and a true conclusion is always valid.
A)TRUE
B)FALSE
10

All sound arguments have true premises.
A)TRUE
B)FALSE