B.A. LL.B. (Semester II) (CBCS) Examination Nov/Dec-2018
LOGIC AND SCIENTIFIC METHOD
Time: 2½ Hours
Max. Marks: 70
Instructions: All questions are compulsory. Figures to the right indicate full marks.
Q.1
Fill in the blanks with appropriate words given in the bracket:-
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Logic is a science.
Formal
Verbal
Factual
Useless
Validity is the property of
Inference
Proposition
Word
Term
Conjunctive proposition is a kind of proposition.
Simple
Compound
General
None of these
Propositional connective are of kinds by modern classification of propositions.
2
3
4
5
is a kind of deductive inference.
Analogy
Simple enumeration
Syllogism
None of these
Predicate is called
Z
Word
Term
Sentence
Proposition
Universal negative proposition is a proposition.
Categorical
Conditional
Hypothetical
Conjunctive
and is a pair of terms.
Contrary
Contradictory
Compatible
None of these
Only sentence is called proposition.
Interrogative
Assertive
Imperative
Exclamatory
10) In modern logic is symbolized as
v

•
≡
11) Hypothesis should be
Verifiable
Vague
False
Contradict
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SLR-HJ-6
12) Particular premises to general conclusion is a process of
Induction
Syllogism
Conversion
Obversion
13) Universal affirmative proposition is also called
A
E
I
O
14) and is a pair of terms.
Contrary
Contradictory
Compatible
None of these
Q.2
Test the validity of the following syllogism by traditional rules or Venn's diagram:-
All men are mortal
All kings are men Therefore, all kings are mortal
All philosophers are logicians
All logicians are teachers Therefore, all teachers are philosophers
14
Q.3
Explain the traditional classification of proposition.
14
OR
Write any fourteen rules of Inference and Replacement.
Q.4

Use truth tables to characterize the following statement forms as tautologous, contradictory or contingent. (Any
08
p q · p q
p v q ≡ q v
p q q

Distinguish between truth and validity.
06
Q.5
Write short answers of the following (Any
14
What are the uses of logic?
Explain the nature of Inductive inference.
What is syllogism?
Define logic.
Explain the distribution of terms in E I O propositions.
Explain the contrary terms.
What is observation?
Distinguish between mediate and immediate inferences.
What inferences by opposition of proposition can be drawn from the proposition 'All swans are white'.
Give converse and obverse forms of the proposition girls are selfish'.