Question 1

Identify the fallacy: All soldiers serve their country Women are not soldiers Therefore , women do not serve their country
A)undistributed middle
B)illicit major
C)illicit minor
D)ambiguous middle

Accepted Answer

The fallacy is an illicit major because it incorrectly assumes that being a soldier is the only way to serve one's country, thus making an improper generalization from the major premise.

Question 2

Identify the fallacy: All men are selfish No apes are men Therefore ,No apes are selfish
A)undistributed middle
B)illicit major
C)illicit minor
D)ambiguous middle

Accepted Answer

The fallacy here is "illicit major" because the conclusion improperly extends the predicate "selfish" to all apes without proper justification from the premises.

Question 3

In a syllogism, the predicate of the conclusion is called the …………..
A)major term
B)minor term
C)middle term
D)none of these

Accepted Answer

The predicate of the conclusion in a syllogism is called the major term.

Question 4

In a syllogism, the subject of the conclusion is called the……………..
A)major term
B)minor term
C)middle term
D)none of these

Accepted Answer

In a syllogism, the subject of the conclusion is referred to as the minor term. The minor term is the subject about which the conclusion is drawn, while the predicate of the conclusion is known as the major term. The middle term is the term that appears in both premises but not in the conclusion.

Question 5

In a syllogism, the term common to both major and minor premises is called the …………………..
A)major term
B)minor term
C)middle term
D)none of these

Accepted Answer

The term common to both the major and minor premises in a syllogism is called the middle term. It serves as a link between the premises to help draw a conclusion.

Question 6

……………….. is a fallacy which occurs when a syllogism uses its major terms in one sense in the major premise and in a different sense in the conclusion.
A)ambiguous major
B)ambiguous minor
C)ambiguous middle
D)none of these

Accepted Answer

The fallacy of ambiguous major occurs when a syllogism uses its major term in one sense in the major premise and in a different sense in the conclusion.

Question 7

……………….. is a fallacy which occurs when a syllogism uses its minor terms in one sense in the minor premise and in a different sense in the conclusion.
A)ambiguous major
B)ambiguous minor
C)ambiguous middle
D)none of these

Accepted Answer

The fallacy described is known as "ambiguous minor," which occurs when the minor term of a syllogism is used in one sense in the minor premise and in a different sense in the conclusion, leading to ambiguity and flawed reasoning.

Question 8

……………….. is a fallacy which occurs when a syllogism uses its middle terms in one sense in the minor premise and in a different sense in the major premise.
A)ambiguous major
B)ambiguous minor
C)ambiguous middle
D)none of these

Accepted Answer

The fallacy described is known as "ambiguous middle" because it involves using the middle term of a syllogism in two different senses, leading to a logical inconsistency.

Question 9

In syllogism if the middle term is undistributed in both the premises the fallacy ………………. occurs.
A)undistributed middle
B)undistributed major
C)undistributed minor
D)none of these

Accepted Answer

The fallacy of undistributed middle occurs when the middle term in a categorical syllogism is not distributed in either premise, meaning it doesn't refer to all members of its category, leading to a logical flaw.

Question 10

In a syllogism the fallacy ……………… occurs when the major term which is not disturbed in the major premise is distributed in the conclusion.
A)illicit major
B)illicit minor
C)undistributed major
D)undistributed minor

Accepted Answer

The answer of In a syllogism the fallacy ……………… occurs...

Question 11

In a syllogism the fallacy ……………… occurs when the minor term which is not disturbed in the minor premise is distributed in the conclusion.
A)illicit major
B)illicit minor
C)undistributed major
D)undistributed minor

Accepted Answer

The fallacy of illicit minor occurs when the minor term is undistributed in the minor premise but distributed in the conclusion, violating the rules of a valid syllogism.

Question 12

In a syllogism, if one premise is negative, the conclusion must be ………….
A)particular
B)affirmative
C)negative
D)none of these

Accepted Answer

In a syllogism, if one premise is negative, the conclusion must also be negative. This is because a negative premise introduces a limitation or exclusion that must be reflected in the conclusion.

Question 13

In a syllogism, if the conclusion is negative one premise must be ………..
A)particular
B)affirmative
C)negative
D)none of these

Accepted Answer

In a syllogism, if the conclusion is negative, at least one of the premises must be negative. This is because a negative conclusion cannot logically follow from two affirmative premises.

Question 14

In a syllogism, if any one premise is particular the conclusion must be ……
A)particular
B)affirmative
C)negative
D)none of these

Accepted Answer

In a syllogism, if any premise is particular, the conclusion must also be particular. This is a rule of syllogistic logic, ensuring that the conclusion does not overstate the certainty implied by the premises.

Question 15

Identify the fallacy: Some animals are beasts Some animals are birds Therefore, Some birds are beasts
A)undistributed middle
B)undistributed major
C)undistributed minor
D)none of these

Accepted Answer

The fallacy is "undistributed middle" because the middle term "animals" is not distributed in either premise, leading to an erroneous conclusion that connects the two other terms "birds" and "beasts" without a valid logical basis.

Question 16

Identify the fallacy: All businessmen are rich No businessmen are socialists Therefore, no socialists are rich
A)undistributed middle
B)illicit major
C)illicit minor
D)ambiguous middle

Accepted Answer

The answer of Identify the fallacy: All businessmen are rich...

Quiz 6: Syllogism and Fallacies

Identify the fallacy: All soldiers serve their country Women are not soldiers Therefore , women do not serve their country

Identify the fallacy: All men are selfish No apes are men Therefore ,No apes are selfish

In a syllogism, the predicate of the conclusion is called the …………..

In a syllogism, the subject of the conclusion is called the……………..

In a syllogism, the term common to both major and minor premises is called the …………………..

……………….. is a fallacy which occurs when a syllogism uses its major terms in one sense in the major premise and in a different sense in the conclusion.

……………….. is a fallacy which occurs when a syllogism uses its minor terms in one sense in the minor premise and in a different sense in the conclusion.

……………….. is a fallacy which occurs when a syllogism uses its middle terms in one sense in the minor premise and in a different sense in the major premise.

In syllogism if the middle term is undistributed in both the premises the fallacy ………………. occurs.

In a syllogism the fallacy ……………… occurs when the major term which is not disturbed in the major premise is distributed in the conclusion.

In a syllogism the fallacy ……………… occurs when the minor term which is not disturbed in the minor premise is distributed in the conclusion.

In a syllogism, if one premise is negative, the conclusion must be ………….

In a syllogism, if the conclusion is negative one premise must be ………..

In a syllogism, if any one premise is particular the conclusion must be ……

Identify the fallacy: Some animals are beasts Some animals are birds Therefore, Some birds are beasts

Identify the fallacy: All businessmen are rich No businessmen are socialists Therefore, no socialists are rich