B.A. LL.B. (Semester II) (CBCS) Examination Mar/Apr-2018
LOGIC SCIENTIFIC METHOD
Time: 2½ Hours
Max. Marks: 70
Instructions: All questions are compulsory. Figures right indicates full marks.
Q.1
Fill in the blanks with appropriate words given in the bracket:-
14
is a kind of knowledge.
Inference
Word
Term
Sentence
Logic is a science.
Formal
Verbal
Material
None of these
Universal negative proposition is called
A
E
I
O
Categorical propositions are of kinds.
5
4
3
2
is a kind of Inductive inference.
Syllogism
Conversion
Obversion
Analogy
Disjunctive proposition is a proposition.
Simple
Compound
General
None of these
There is opposition between A and I proposition.
Contrary
Contradictory
Sub-contrary
Subaltern
Syllogism consists proposition.
3
4
5
6
Validity is the property of
Sentence
Proposition
Inference
Word
10) In modern logic is symbolized as
v



11) and is a pair of terms.
Contrary
Contradictory
Compatible
None of these
12) is a condition of good hypothesis.
Vague
Contradict
Verifiable
False
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SLR-HF-6
13) General premises to particular conclusion is process of inference.
Simple Enumerative
Analogy
Scientific method
Deductive
14) In inference causation is absent.
Simple Enumerative
Syllogism
Scientific method
None of these
Q.2
Test the validity of the following syllogism by traditional rules or Venn's diagram.
All stones are valuable
All diamonds are stones Therefore, All diamonds are valuable
All students are educated
No lawyers are educated Therefore, No lawyers are students.
14
Q.3
Explain the stages of scientific method.
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
· ·
q

Distinguish between truth and validity.
06
Q.5
Write short answers on Any seven:-
14
Define of logic.
Explain the nature of Deductive inference.
What is term?
What is enthymeme?
What is proposition?
What is a contradictory term?
What is observation?
What is syllogism?
What inferences by opposition of proposition can be drawn from the proposition 'All Politicians are
Give converse and obverse forms of the proposition cats are dogs'.