Gauhati University 2nd Semester Philosophy (Major) Question Paper

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Gauhati University 2nd Semester Philosophy (Major) Question Paper

Gauhati University 2nd Semester Philosophy (Major) Question Paper

2 0 1 4
( Major )
Paper: 2.1
( Logic )
Full Marks 80
Time: 3 hours
The figures in the margin indicate full marks for the questions

1. Answer the following as directed: IXI0=I0

(a) State one advantage of using shorter truth table method.

(b) Is shorter truth table method a decision procedure?

(c) Find out the correct answer from given options :
Shorter truth table method is a pan of propositional logic/predicate logic.

(d) Name the fallacy which is involved, when both the premises of a categorical syllogism are negative.

(e) Darii is a valid mood of the third figure. is it true?

(f) What is illicit major?

(g) Name the figure of the syllogism in which Darapti is a valid mood.

(h) What is a quantifier?

(i) What is the Latin name of the rule ‘Modus Ponens‘?

(j) How many circles one needs to draw to test a categorical syllogism through Venn diagram?

2. Answer the following as directed. 2X5=10

(a) Why is shorter truth table method called ‘indirecl truth table' method?

(b) State why the procedure of formal proof of validity is called formal proof.

(c) State the names of the two sets of rules of formal proof of validity.

(d) State the definition of syllogism given by Aristotle.

(e) “Socrates is honest”

(i) Identify the proposition.
(ii) Symbolise the proposition in terms of predicate logic

3. Give short answers for the following questions (any four): 5X4=20

(a) Explain the difference between rules of inference and rules of replacement.

(b) What is a figure of a syllogism? Demonstrate the figures of the syllogism with proper symbolic form. 1+4=5

(c) Name any five rules of inference with appropriate symbolic expression.

(d) Distinguish between singular and general proposition.

(e) What is conditional proof? Explain.

4. Explain the shorter truth table method with a suitable example. 5+5: 10


Prove the validity or invalidity of the following arguments by shorter truth table method: 10

(a) If either Anita or Jayanta goes to the party, then Nomami does not have to pick up Amar 
Anita is not going to the party 
Nomami has to pick Up Amar 
.𑁦. Jayanta is not going to the party

(b) If you finish the job by Friday, then you get the bonus
You do not finish the job by Friday
.𑁦. You do not get the bonus

5. What is formal proof of validity? State ten rules of replacement. 5+ 5 = 10

6. What is categorical syllogism? Explain the chief features of the categorical syllogism. 4+6=10


Test the following syllogistic arguments with the help of Venn diagram: 5+5=10

(a) All great scientists are college graduates
Some professional athletes are college graduates
.𑁦. Some professional athletes are great scientists

(b) All players are men
No men are idiots
.𑁦. No idiots are players

7. What is predicate logic? Distinguish predicate logic from propositional logic. Symbolise the following statements in terms of predicate logic: 2+3+5= 10.

(a) Tiger exists

(b) Only teachers are honest

(c) Everything is temporary

(d) Some people are not reliable

(c) All scientists and mathematicians are philosophers


What is quantification? How it can be distinguished from instantiation? Explain the rules of universal generalisation and universal instantiation. 2+3+5=10

( Major ) 
Paper: 2.2
Full Marks: 80
Time: 3 hours
The figures in the margin indicate full marks for the questions

1. Answer the following as directed : 1X10=10

(a) According to Locke, we cannot perceive a substance in the external world, we perceive only —— of matter. ( Fill up the blank )

(b) According to Kant, the substance is an a priori / a posteriori category of understanding.
( Choose the correct answer )

(c) Write the names of a philosopher who are the supporters of the correspondence theory of truth.

(d) Give an example of the sentences which are impossible to verify according to A. J. Ayer.

(e) What is the Freedom of Will according to Kant?

(f) According to Hume. we know nothing of production and necessary connection between cause and effect but only experience a succession of events. ( Write True or False )

(g) What is formal cause according to Aristotle?

(h) What is space according to Leibnitz?

(i) According to Spinoza, —— is the only substance. ( Fill up the blank)

(j) How does empiricist consider time?

2. Answer the following in short: 2X5=10

(a) What is substance according to Locke?

(b) Give David Hume‘s view on determinism.

(c) Write about realist and empiricist views on time and space.

(d) Write about Herbert Spencer’s view on space.

(e) Write Aristotle’s view on causation with example.

3. Answer any four of the following: 5X4=20

(a) How did A. .l. Ayer draw the distinction between ‘strong’ and ‘weak' verification?

(b) What did Descartes say about substance?

(c) Explain briefly the Determinism or Necessarianism.

(d) Write a note on the pragmatic theory of truth.

(e) Discuss briefly the empiricist view on space.

(f) Write the characteristics of conceptual space.

4. Explain the correspondence theory of truth. Is it satisfactory? 10


Explain and examine Hume's view on causation.

5. Explain and examine the arguments for the Freedom of the Will. 10


Did A. J. Ayer succeed in rejecting Metaphysics? Give your answer by mentioning the verification principle.

6. Discuss the coherence theory of truth. 10


Write the realists view on substance.

7. Discuss Kant’s analysis of freedom and responsibility. 10


Write a note about the nature of time mentioning different philosophers' View.