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Chapter 9: Deductive Arguments I

Total questions: 15

Worksheet time: 7mins

Name
Class
Date
1.

What kind of standard form does this sentence belong to?

" All chickens are dinosaurs."

a)

A

b)

E

c)

O

d)

I

2.

Transform this sentence into standard form:

"Every children are students."

a)

No children are students.

b)

Some of children are students.

c)

All children are students.

d)

Some of children are not students.

3.

Translate the following claim into standard form:

"Whenever it rains, it pours."

a)

All rains are pouring.

b)

Not all time it rains are times it pours.

c)

All time it rains are times it pours.

4.

What does the square of opposition demonstrate?

a)

Whether claims are negative or affirmative.

b)

The logical relationships between A, E, I and O claims.

c)

The standard form of an ordinary claim.

d)

The operations of standard form claims.

5.

Which terms are distributed in the following claim?

"All A are B"

a)

A only

b)

B only

c)

both A and B

d)

neither A nor B

6.

True or False?

"Valid deductive arguments fail to prove or demonstrate their conclusion."

a)

TRUE

b)

FALSE

7.

Fill in the blank:

____ _______ graphically represent the four standard-form categorical claim types.

(a)  

8.

If two claims are true in all and exactly the same circumstances, then they are _____

a)

equal

b)

equivalent

c)

standard

d)

acceptable

9.

What is the subcontrary claim of I?

a)

O

b)

U

c)

E

d)

A

10.

What is the converse of "Some Americans are Caucasians"?

a)

All Americans are not Caucasian

b)

Some Caucasians are Americans

c)

Some Americans are not Caucasians

11.

What is the complementary class for humans?

a)

Human

b)

Nonhumans

c)

Plants

d)

Animals

12.

Translate this following claim into standard form:

"Joe is the only person taking the class."

a)

All Joes are taking the class

b)

No people taking the class are people identical with Joe.

c)

Everyone who is taking the class is Joe.

d)

All people taking the class are people who are identical with Joe

13.

Is the following a standard-form syllogism?

All fruits have seeds.

A carrot has seeds.

Therefore, a carrot is a fruit.

a)

YES

b)

NO

14.

Which of the following is true of a categorical syllogism?

a)

Three terms each occur exactly twice.

b)

Two terms occur in exactly two of the claims.

c)

Two terms occur in exactly three of the claims.

15.

Which of the following is the unstated premise?

"Don't give peanuts to small children. Peanuts can cause an allergic reaction."

a)

All peanuts are things that can cause allergic reactions in children.

b)

All allergic reactions are events that can happen to small children.

c)

No things that can cause allergic reactions are things that you should give small children.