31
Which of the following statements is false?

1
Proposition has three constituents

2
Copula is called component by the modern logicians

3
Proposition may be either true or false

4
Proposition is the fundamental unit of logic

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Answer: Proposition has three constituents

32
'It is raining' is an example of

1
subject-predicate proposition

2
relational proposition

3
subjectless proposition

4
general proposition

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Answer: subjectless proposition

33
Which of the following statements is true?

1
Logic is a normative science

2
Logic is a natural science

3
Logic is a formal science

4
Logic is a positive science

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Answer: Logic is a formal science

34
"Dr. A. P. J. Abdul Kalam was a great scientist." This is an example of

1
class membership proposition

2
subject-predicate proposition

3
relational proposition

4
general proposition

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Answer: class membership proposition

35
In which form of immediate inference the inferred proposition is always equivalent to

1
conversion

2
obversion

3
contraposition

4
inversion

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36
Class membership proposition is symbolized as

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37
In the first figure of syllogism the major premise must be

1
affirmative

2
particular

3
universal

4
negative

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38
Material validity of induction is based upon

1
observation and experiment

2
law of uniformity of nature

3
law of causation

4
inductive generalization

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Answer: observation and experiment

39
Test the following syllogism and mention the fallacy involved in any
All jewels are precious stones.
Ananda Ram Barua is a jewel.
.'. Ananda Ram Barua is a jewel.

1
Fallacy of illicit major

2
Fallacy of illicit minor

3
Fallacy of undistributed middle

4
Fallacy of ambiguous middle

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Answer: Fallacy of ambiguous middle

40
The method of agreement is called a method of

1
proof

2
discovery

3
experiment

4
None of the above

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41
For the method of difference we need only

1
one instance

2
two instances

3
three instances

4
four instances

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42
Which of the following statements about hypothesis is true?

1
A hypothesis is always formed in a vacuum

2
A hypothesis is not provisional in character

3
A hypothesis is a tentative proposition

4
A hypothesis is the conclusion of inductive enquiry

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Answer: A hypothesis is a tentative proposition

43
One predicate universal proposition is a type of

1
simple proposition

2
compound proposition

3
universal proposition

4
general proposition

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Answer: general proposition

44
Ethics is concerned with

1
factual judgement

2
descriptive judgement

3
atomic judgement

4
value judgement

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45
The quality of Tightness or wrongness is applicable to

1
instinctive action

2
voluntary action

3
reflex action

4
automatic action

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