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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
M.A.DEGREE EXAMINATION -PHILOSOPHY
FIRST SEMESTER APRIL 2018
17PPL1MC04- LOGIC AND PHILOSOPHICAL INQUIRY
Date: 10-04-2018 Dept. No. Max. 100 Marks
Time: 09:30-12:30
PART
Answer all the questions X 6 36 marks)
1. What are the motives for doing philosophy?
2. State the differences between a proposition and a sentence.
3. List out the conditions for a valid disjunctive syllogism.
4. State the structure of a categorical syllogism.
5. What is Sangrahanaya in Jaina Logic? Illustrate it with an example.
6. If it is true that "Pani goes to college" &if it is False that "Queen goes to work" then find the truth values of
P. ii) iii) P v iv) v vi) Q
Part B
Answer the following X 16= 64 marks)
7. Write in detail the benefits of studying Philosophy. 16
OR
Discuss in detail the philosophical attitudes. 16
8. Distinguish positive, negative and privative terms. 08
Present a justification for the fallacies of hypothetical syllogism 08
OR
Describe the classification of propositions in formal logic. 16
9. Illustrate any four material fallacies in formal logic. 08
Refute the following dilemmas: 04
If you tell me what I already understand, you do not enlarge my understanding;
whileif you tell me something which I do not understand, then your remarks are unintelligible to me. Whatever you tell me must be either something I already understand or something which I do not understand. Hence, whatever you say either do not enlarge my understanding or else is unintelligible to me.
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ii) ii) ii) ii) I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, I must either devote myself to the interests of my soul, or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. or to secular pursuits. 04 If I If I If I If I If I devote devote devote myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests myself to the interests of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business of my soul, business will fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devotewill fail; if I devote will fail; if I devotewill fail; if I devotewill fail; if I devote myself to myself to myself to myself to myself to myself to myself to secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I secular pursuits,I shall lose my soul. Therefore, either mshall lose my soul. Therefore, either m shall lose my soul. Therefore, either mshall lose my soul. Therefore, either mshall lose my soul. Therefore, either mshall lose my soul. Therefore, either m shall lose my soul. Therefore, either m shall lose my soul. Therefore, either mshall lose my soul. Therefore, either m shall lose my soul. Therefore, either mshall lose my soul. Therefore, either m shall lose my soul. Therefore, either mshall lose my soul. Therefore, either mshall lose my soul. Therefore, either mshall lose my soul. Therefore, either mshall lose my soul. Therefore, either mshall lose my soul. Therefore, either m shall lose my soul. Therefore, either m shall lose my soul. Therefore, either m shall lose my soul. Therefore, either m shall lose my soul. Therefore, either mshall lose my soul. Therefore, either m shall lose my soul. Therefore, either mshall lose my soul. Therefore, either mshall lose my soul. Therefore, either m shall lose my soul. Therefore, either mshall lose my soul. Therefore, either business y business y business y business y business y business y business y business y business will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I will fail or else I shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul. shall lose my soul.
OR
Illustrate in detail the concept of anekantavadain Jaina logic. 16
10. State all the rules of replacements. 07
Prove the following using the symbols of propositional logic. 03
If either Algebra is required or Geometry is required, then
all students will study Mathematics. Algebra is required and
Trigonometry is required. Therefore, all students will study Mathematics.
Using the symbols of predicate logic, construct a formal proof: 06
It is not the case that fluent speakers are efficient writers.
All fluent speakers are knowledgeable persons.
Therefore, some knowledgeable persons are not efficient writers.
OR
10. Define the First Type of Rules of Inference. 04
Prove the following using the symbols of propositional logic. 05
If the King does not castle and the Pawn advances, then either the Bishop
is blocked or the Rook is pinned. If the King does not castle, then if the
Bishop is blocked, then the Game is a draw. Either the King castles or if
the Rook is pinned, then the Exchange is lost. The King does not castle
and the Pawn advances. Therefore, either the game is a draw or the
exchange is lost.
Using the symbols of predicate logic, construct a formal proof: 07
Some teachers are hard working. All hard-working people are successful.
No successful person is lazy. Therefore, some teachers are not lazy.