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140+ Applications of Logical Reasoning Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Arts in Philosophy (BA Philosophy) .

51.

In the traditional square of opposition, the contrary of ‘No men are mortal’ is……….

A. all men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Answer» A. all men are mortal
52.

In the traditional square of opposition, the sub-altern of ‘No men are mortal’ is ……….

A. all men are mortal
B. some men are mortal
C. some men are not mortal
D. none of the above
Answer» C. some men are not mortal
53.

In the traditional square of opposition, the sub-contrary of ‘Some men are mortal’is……….

A. all men are mortal
B. no men are mortal
C. some men are not mortal
D. none of the above
Answer» C. some men are not mortal
54.

In the traditional square of opposition, if A is true, the truth value of E is …

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
55.

In the traditional square of opposition, if A is true, the truth value of I is …

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
56.

In the traditional square of opposition, if A is true , the truth value of O is …

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
57.

In the traditional square of opposition, if A is false , the truth value of O is ..

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
58.

In the traditional square of opposition, if A is false, the truth value of E is …

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
59.

In the traditional square of opposition, if A is false , the truth value of I is ….

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
60.

In the traditional square of opposition, if E is false , the truth value of I is …

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
61.

In the traditional square of opposition, if E is false, the truth value of A is ….

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
62.

In the traditional square of opposition, if E is false, the truth value of O is ..

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
63.

In the traditional square of opposition, if E is true, the truth value of I is …

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
64.

In the traditional square of opposition, if E is true, the truth value of A is …..

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
65.

In the traditional square of opposition, if E is true, the truth value of O is …

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
66.

In the traditional square of opposition, if I is true, the truth value of A is ….

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
67.

In the traditional square of opposition, if I is true, the truth value of E is …

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
68.

In the traditional square of opposition, if I is true, the truth value of O is …

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
69.

In the traditional square of opposition, if I is false, the truth value of O is ….

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
70.

In the traditional square of opposition, if I is false, the truth value of A is …

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
71.

In the traditional square of opposition, if I is false, the truth value of E is ….

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
72.

In the traditional square of opposition, if O is true, the truth value of A is ...

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
73.

In the traditional square of opposition, if O is true, the truth value of E is ...

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
74.

In the traditional square of opposition, if O is true, the truth value of I is …

A. true
B. false
C. undetermined
D. none of the above
Answer» C. undetermined
75.

In the traditional square of opposition, if O is false, the truth value of I is …

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
76.

In the traditional square of opposition, if O is false, the truth value of A is ..

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
77.

In the traditional square of opposition, if O is false, the truth value of E is …

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
78.

In the traditional square of opposition, contraries cannot both be ……………..

A. true
B. false
C. undetermined
D. none of the above
Answer» A. true
79.

In the traditional square of opposition, sub-contraries cannot both be ………

A. true
B. false
C. undetermined
D. none of the above
Answer» B. false
80.

In the traditional square of opposition, state the relation between ‘Some scientists are religious’ and ‘ All scientists are religious’

A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Answer» D. sub-alterns
81.

In the traditional square of opposition, state the relation between ‘Some scientists are religious’ and ‘ No scientists are religious’

A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Answer» A. contradictories
82.

In the traditional square of opposition, state the relation between ‘Some scientists are religious’ and ‘ Some scientists are not religious’

A. contradictories
B. sub-contraries
C. contraries
D. sub-alterns
Answer» B. sub-contraries
83.

In simple conversion, ………………………….

A. quality changed
B. quantity changed
C. quality and quantity changed
D. no change in quality and quantity
Answer» D. no change in quality and quantity
84.

In conversion by limitation, ………………………

A. quality changed
B. quantity changed
C. quality and quantity changed
D. no change in quality and quantity
Answer» B. quantity changed
85.

Conversion of A , ……………..

A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Answer» B. conversion by limitation
86.

Conversion of E, ……………..

A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Answer» A. simple conversion
87.

Conversion of I, ……………..

A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Answer» A. simple conversion
88.

Conversion of O, ……………..

A. simple conversion
B. conversion by limitation
C. no converse
D. none of these
Answer» C. no converse
89.

Converse of ‘All Indians are Asiatics’

A. all asiatics are indians
B. some asiatics are i ndians
C. some indians are asiatics
D. none of these
Answer» B. some asiatics are i ndians
90.

Converse of ‘No Indians are Asiatics’

A. all asiatics are indians
B. some asiatics are indians
C. some indians are asiatics
D. no asiatics are indians
Answer» D. no asiatics are indians
91.

Converse of ‘Some Indians are Asiatics’

A. all asiatics are indians
B. some asiatics are indians
C. some indians are asiatics
D. no asiatics are indians
Answer» B. some asiatics are indians
92.

Obverse of ‘All Judges are lawyers’

A. no judges are non-lawyers
B. all judges are non-lawyers
C. no lawyers are judges
D. none of these
Answer» A. no judges are non-lawyers
93.

Obverse of ‘No Judges are lawyers’

A. no judges are non-lawyers
B. all judges are non-lawyers
C. no lawyers are judges
D. none of these
Answer» B. all judges are non-lawyers
94.

Obverse of ‘Some Judges are lawyers’

A. no judges are non-lawyers
B. some judges are not non-lawyers
C. some lawyers are judges
D. none of these
Answer» B. some judges are not non-lawyers
95.

Obverse of ‘Some Judges are not lawyers’

A. some judges are non-lawyers
B. all judges are non-lawyers
C. some lawyers are non- judges
D. none of these
Answer» A. some judges are non-lawyers
96.

The converse of ‘No men are perfect’

A. all men are non-perfect
B. no perfect beings are men’
C. some men ae not perfect
D. some men are perfect
Answer» B. no perfect beings are men’
97.

The converse of ‘Some men are clever’

A. some clever beings are men
B. some non-clever beings are non-men
C. some non-men are non-clever
D. none of these
Answer» A. some clever beings are men
98.

The obverse of ‘ All men are mortal’

A. no non-men are non-mortal
B. no men are non-mortal
C. some mortals are men
D. none of these
Answer» B. no men are non-mortal
99.

Identify the immediate inference- All metals are elements : therefore some elements are metals

A. conversion
B. obversion
C. contraposition
D. none of the above
Answer» A. conversion
100.

Identify the immediate inference- Some Indians are Hindus : therefore some Hindus are Indians

A. conversion
B. obversion
C. contraposition
D. none of the above
Answer» A. conversion

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