B.A. LL.B.- I (Semester II) (CGPA) Examination, 2017
Logic and Scientific Method
Day Date: Wednesday, 03-05-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. All questions are compulsory
Figures to the right indicate full marks.
Q.1 Fill in the blanks with appropriate words given in the bracket 14
Logic is a
(Arts, Commerce, Science, Law
Truth is property of
(Sentence, Proposition, Word, Term
Conjunctive proposition is a kind of proposition.
(Simple, Compound, General, None of these
There are kinds of opposition of proposition.
5
is a kind of inductive inference.
(Conversion, Obversion, Analogy, Syllogism
Subject and predicate are called
(Words, Terms, Sentences, Propositions
Disjunctive proposition is a ______proposition.
(Categorical, Conditional, Hypothetical, Conjunctive
Indian and non-Indian are
(Contrary, Contradictory, Compatible, None of these
sentence is called proposition.
(Interrogative, Exclamatory, Imperative, Assertive
10) In modern logic is symbolized as
.
11) Hypothesis should be
(Self consistent, Vague, False, Contradict
12) Particular to general is a process of inference.
(Induction, Syllogism, Conversion, Obversion
Page 1 of 2
SLR-G 12
13) By the rule of M.P. p q p therefore,
s
14) Universal affirmative proposition is called

Q.2 Test the validity of the following syllogism by traditional rules or
Venn's diagram.
14
All birds are politicians
All sparrows are birds

Therefore, All sparrows are politicians
No advocates are doctors
All students are advocates

Therefore No students are doctors
Q.3 Explain logic is a formal science. 14
OR
Construct formal proof.
v q
ii) p .·. r
p . q v s
ii) p
iii) q
iv) r .·. s
Q.4 Use truth table to characterize the following statement
forms as tautologous, contradictory or contingent. (any
08
p
P v q
v q v p
Explain the nature of scientific induction. 06
Q.5 Write short answers of the following (any 7 14
Distinguish between truth and validity
Explain the nature of deductive inference
Explain the nature of syllogism
What is proposition?
What is enthymeme?
Explain the contradictory terms.
What inferences by opposition of proposition can be drawn
from the proposition- 'All girls are hard worker'.
Give converse and obverse forms of the proposition No
men are selfish'.
What is observation?
10) What are the conditions of good hypothesis?