Question 1

Syllogistic Form 5D
Given the following syllogistic form:
No M are P.
All S are M.
 
Some S are not P.
-For Syllogistic Form 5D, the answer from the Boolean standpoint is:

Accepted Answer

A)  Invalid, undistributed middle. 
B)  Invalid, existential fallacy. 
C)  Invalid, illicit major. 
D)  Invalid, exclusive premises. 
E)  Valid, no fallacy. 
A)  Invalid, undistributed middle. 
B)  Invalid, existential fallacy. 
C)  Invalid, illicit major. 
D)  Invalid, exclusive premises. 
E)  Valid, no fallacy.

Question 2

Syllogistic Form 5I
Given the following syllogistic form:
All M are P.

-For Syllogistic Form 5I, the answer from the Boolean standpoint is:

Accepted Answer

A)  Invalid, illicit major. 
B)  Invalid, exclusive premises. 
C)  Invalid, illicit minor. 
D)  Invalid, existential fallacy. 
E)  Valid, no fallacy. 
A)  Invalid, illicit major. 
B)  Invalid, exclusive premises. 
C)  Invalid, illicit minor. 
D)  Invalid, existential fallacy. 
E)  Valid, no fallacy.

Question 3

Syllogistic Form 4H
Given the following syllogistic form:
Some M are not P.
 
-For Syllogistic Form 4H, the mood and figure is:

Accepted Answer

A)  EAE-2 
B)  OAO-3 
C)  OAO-4 
D)  IAI-3 
E)  OEO-4 
A)  EAE-2 
B)  OAO-3 
C)  OAO-4 
D)  IAI-3 
E)  OEO-4

Question 4

Given the following enthymeme: The Louvre is in France because it's in Paris.
The statement needed to convert the enthymeme into a valid syllogism is:

Accepted Answer

A)  The most important museums of France are in Paris. (Conclusion) 
B)  Whatever is in Paris is in France. (Premise) 
C)  The Louvre is one of the greatest art museums. (Premise) 
D)  The Louvre was never located anywhere except Paris. (Premise) 
E)  Paris is the most important city in France. (Conclusion) 
A)  The most important museums of France are in Paris. (Conclusion) 
B)  Whatever is in Paris is in France. (Premise) 
C)  The Louvre is one of the greatest art museums. (Premise) 
D)  The Louvre was never located anywhere except Paris. (Premise) 
E)  Paris is the most important city in France. (Conclusion)

Question 5

Syllogistic Form 1A
Given the following syllogistic form:
Some M are not P.
No S are M. 
 
Some S are not P.
-For Syllogistic Form 1A, after filling in the Venn diagram,

Accepted Answer

A)  Areas 2 and 3 are shaded, and there is an X on the line between areas 1 and 4. 
B)  Areas 5 and 6 are shaded, and there is an X on the line between areas 1 and 2. 
C)  Areas 2 and 3 are shaded, and there is an X in area 1. 
D)  Areas 1 and 2 are shaded, and there is an X in area 3. 
E)  Areas 2 and 3 are shaded, and there is an X on the line between areas 6 and 7. 
A)  Areas 2 and 3 are shaded, and there is an X on the line between areas 1 and 4. 
B)  Areas 5 and 6 are shaded, and there is an X on the line between areas 1 and 2. 
C)  Areas 2 and 3 are shaded, and there is an X in area 1. 
D)  Areas 1 and 2 are shaded, and there is an X in area 3. 
E)  Areas 2 and 3 are shaded, and there is an X on the line between areas 6 and 7.

Question 6

Sorites 1I
Given the following sorites:
Some M are H.
All G are Q.
All S are G.
 
-For Sorites 1I, the correct answer is:

Accepted Answer

A)  Unsound. 
B)  Valid. 
C)  Sound. 
D)  Cogent. 
E)  Invalid. 
A)  Unsound. 
B)  Valid. 
C)  Sound. 
D)  Cogent. 
E)  Invalid.

Question 7

Syllogism 2I
Given the following syllogism:
Some factually incorrect accounts are interesting novels, for some inspired stories are factually correct accounts, and all boring novels are uninspired stories.
-After reducing the number of terms in Syllogism 2I, the conclusion is:

Accepted Answer

A)  Some interesting novels are not factually correct accounts. 
B)  Some inspired stories are not factually correct accounts. 
C)  All inspired stories are interesting novels. 
D)  Some factually correct accounts are interesting novels. 
E)  Some inspired stories are factually correct accounts. 
A)  Some interesting novels are not factually correct accounts. 
B)  Some inspired stories are not factually correct accounts. 
C)  All inspired stories are interesting novels. 
D)  Some factually correct accounts are interesting novels. 
E)  Some inspired stories are factually correct accounts.

Question 8

Given the following enthymeme: Only dentists are invited, and Dr. Klein is not a dentist.
The statement needed to convert the enthymeme into a valid syllogism is:

Accepted Answer

A)  All dentists are persons invited. (Conclusion) 
B)  Dr. Klein is not invited. (Conclusion) 
C)  All persons invited are dentists. (Premise) 
D)  Dr. Klein is invited. (Conclusion) 
E)  No persons identical to Dr. Klein are dentists. (Conclusion) 
A)  All dentists are persons invited. (Conclusion) 
B)  Dr. Klein is not invited. (Conclusion) 
C)  All persons invited are dentists. (Premise) 
D)  Dr. Klein is invited. (Conclusion) 
E)  No persons identical to Dr. Klein are dentists. (Conclusion)

Question 9

Given the following enthymeme: Suzanne must be smart. After all, she earns 'A's.
The statement needed to convert the enthymeme into a valid syllogism is:

Accepted Answer

A)  Not all Suzanne's grades are 'A's. (Premise) 
B)  Suzanne is a smart student. (Conclusion) 
C)  Every smart student earns 'A's. (Premise) 
D)  Suzanne will graduate with honors. (Conclusion) 
E)  Anyone who earns 'A's is smart. (Premise) 
A)  Not all Suzanne's grades are 'A's. (Premise) 
B)  Suzanne is a smart student. (Conclusion) 
C)  Every smart student earns 'A's. (Premise) 
D)  Suzanne will graduate with honors. (Conclusion) 
E)  Anyone who earns 'A's is smart. (Premise)

Question 10

Syllogism 4D
Given the following syllogism:
A few Hondas are not on sale, because the cars with green tags are not on sale and a few Hondas have green tags.
-For Syllogism 4D, the major premise is:

Accepted Answer

A)  No cars with green tags are cars on sale. 
B)  All cars with green tags are not cars that are on sale. 
C)  All cars with green tags are cars that are not on sale. 
D)  Some Hondas are not cars that are on sale. 
E)  Some Hondas are cars with green tags. 
A)  No cars with green tags are cars on sale. 
B)  All cars with green tags are not cars that are on sale. 
C)  All cars with green tags are cars that are not on sale. 
D)  Some Hondas are not cars that are on sale. 
E)  Some Hondas are cars with green tags.

Question 11

Given the following enthymeme: Peaches are not ripe unless they are soft, and your peaches are not soft.
The statement needed to convert the enthymeme into a valid syllogism is:

Accepted Answer

A)  Some of your peaches are not ripe. (Premise) 
B)  All ripe peaches are soft peaches. (Conclusion) 
C)  Your peaches are not ripe. (Conclusion) 
D)  Your peaches are ripe. (Conclusion) 
E)  Not all the ripe peaches are yours. (Premise) 
A)  Some of your peaches are not ripe. (Premise) 
B)  All ripe peaches are soft peaches. (Conclusion) 
C)  Your peaches are not ripe. (Conclusion) 
D)  Your peaches are ripe. (Conclusion) 
E)  Not all the ripe peaches are yours. (Premise)

Question 12

Syllogistic Form 2G
Given the following syllogistic form:
No P are M.

-For Syllogistic Form 2G, the correct mood and figure is:

Accepted Answer

A)  AAA-1 
B)  EAE-3 
C)  IAI-3 
D)  EAE-2 
E)  AEA-2 
A)  AAA-1 
B)  EAE-3 
C)  IAI-3 
D)  EAE-2 
E)  AEA-2

Question 13

Syllogistic Form 1F
Given the following syllogistic form:
No P are M.
 
-For Syllogistic Form 1F, after filling in the Venn diagram,

Accepted Answer

A)  Areas 2, 3, and 4 are shaded, and there is an X in area 5. 
B)  Areas 5, 6, and 7 are shaded, and there is an X in area 2. 
C)  Areas 2, 3, and 4 are shaded, and there are no other marks. 
D)  Areas 2, 3, 4, and 6 are shaded. 
E)  Areas 5, 6, and 7 are shaded, and there are no other marks. 
A)  Areas 2, 3, and 4 are shaded, and there is an X in area 5. 
B)  Areas 5, 6, and 7 are shaded, and there is an X in area 2. 
C)  Areas 2, 3, and 4 are shaded, and there are no other marks. 
D)  Areas 2, 3, 4, and 6 are shaded. 
E)  Areas 5, 6, and 7 are shaded, and there are no other marks.

Question 14

Syllogistic Form 4A
Given the following syllogistic form:
Some P are M.
Some S are M.
 
Some S are P.
-For Syllogistic Form 4A, the mood and figure is:

Accepted Answer

A)  OOO-2 
B)  OOO-3 
C)  AAA-2 
D)  EEE-2 
E)  III-2 
A)  OOO-2 
B)  OOO-3 
C)  AAA-2 
D)  EEE-2 
E)  III-2

Question 15

Given the following syllogism:
No tigers are bears.
 
This syllogism commits the existential fallacy from:

Accepted Answer

A)  The Aristotelian standpoint but not from the Boolean standpoint. 
B)  Both the Boolean and the Aristotelian standpoints. 
C)  The Boolean standpoint but not from the Aristotelian standpoint. 
D)  Neither the Boolean nor the Aristotelian standpoint. 
E)  The syllogistic standpoint. 
A)  The Aristotelian standpoint but not from the Boolean standpoint. 
B)  Both the Boolean and the Aristotelian standpoints. 
C)  The Boolean standpoint but not from the Aristotelian standpoint. 
D)  Neither the Boolean nor the Aristotelian standpoint. 
E)  The syllogistic standpoint.

Question 16

Syllogistic Form 6I
Given the following syllogistic form:
 
-For Syllogistic Form 6I, the answer from the Boolean standpoint is:

Accepted Answer

A)  Invalid, illicit major. 
B)  Invalid, undistributed middle. 
C)  Invalid, exclusive premises. 
D)  Valid, no fallacy. 
E)  Invalid, existential fallacy. 
A)  Invalid, illicit major. 
B)  Invalid, undistributed middle. 
C)  Invalid, exclusive premises. 
D)  Valid, no fallacy. 
E)  Invalid, existential fallacy.

Question 17

Syllogism 2D
Given the following syllogism:
Some low class characters are not people with money, so some people without money are not honest souls, since no dishonest souls are high class characters.
-After reducing the number of terms in Syllogism 2D, the conclusion is:

Accepted Answer

A)  Some people without money are not high class characters. 
B)  All dishonest souls are low class characters. 
C)  Some people with money are not honest souls. 
D)  All high class characters are honest souls. 
E)  Some people without money are not honest souls. 
A)  Some people without money are not high class characters. 
B)  All dishonest souls are low class characters. 
C)  Some people with money are not honest souls. 
D)  All high class characters are honest souls. 
E)  Some people without money are not honest souls.

Syllogistic Form 5D Given the following syllogistic form: No M are P. All S are M. Some S are not P. -For Syllogistic Form 5D, the answer from the Boolean standpoint is:

Syllogistic Form 5I Given the following syllogistic form: All M are P. -For Syllogistic Form 5I, the answer from the Boolean standpoint is:

Syllogistic Form 4H Given the following syllogistic form: Some M are not P. -For Syllogistic Form 4H, the mood and figure is:

Given the following enthymeme: The Louvre is in France because it's in Paris. The statement needed to convert the enthymeme into a valid syllogism is:

Syllogistic Form 1A Given the following syllogistic form: Some M are not P. No S are M. Some S are not P. -For Syllogistic Form 1A, after filling in the Venn diagram,

Sorites 1I Given the following sorites: Some M are H. All G are Q. All S are G. -For Sorites 1I, the correct answer is:

Syllogism 2I Given the following syllogism: Some factually incorrect accounts are interesting novels, for some inspired stories are factually correct accounts, and all boring novels are uninspired stories. -After reducing the number of terms in Syllogism 2I, the conclusion is:

Given the following enthymeme: Only dentists are invited, and Dr. Klein is not a dentist. The statement needed to convert the enthymeme into a valid syllogism is:

Given the following enthymeme: Suzanne must be smart. After all, she earns 'A's. The statement needed to convert the enthymeme into a valid syllogism is:

Syllogism 4D Given the following syllogism: A few Hondas are not on sale, because the cars with green tags are not on sale and a few Hondas have green tags. -For Syllogism 4D, the major premise is:

Given the following enthymeme: Peaches are not ripe unless they are soft, and your peaches are not soft. The statement needed to convert the enthymeme into a valid syllogism is:

Syllogistic Form 2G Given the following syllogistic form: No P are M. -For Syllogistic Form 2G, the correct mood and figure is:

Syllogistic Form 1F Given the following syllogistic form: No P are M. -For Syllogistic Form 1F, after filling in the Venn diagram,

Syllogistic Form 4A Given the following syllogistic form: Some P are M. Some S are M. Some S are P. -For Syllogistic Form 4A, the mood and figure is:

Given the following syllogism: No tigers are bears. This syllogism commits the existential fallacy from:

Syllogistic Form 6I Given the following syllogistic form: -For Syllogistic Form 6I, the answer from the Boolean standpoint is:

Syllogism 2D Given the following syllogism: Some low class characters are not people with money, so some people without money are not honest souls, since no dishonest souls are high class characters. -After reducing the number of terms in Syllogism 2D, the conclusion is:

Basic Concepts

Language: Meaning and Definition

Informal Fallacies

Categorical Propositions

Propositional Logic

Natural Deduction in Propositional Logic

Predicate Logic

Analogy and Legal and Moral Reasoning

Causality and Mills Methods

Probability

Statistical Reasoning

Hypotheticalscientific Reasoning

Science and Superstition

Filters

Exam 5: Categorical Syllogisms