IGNOU BPYC-133
- Logic ,
Latest Solved Assignment
(June 2024 - December 2024)

1. Write a note on deductive reasoning. What are its’ limitations?
Or
a) Write a note on “various types of the terms”.
b) State whether the subject and predicate terms in the following propositions are distributed or undistributed.
i) All dogs are mammals
ii) All hill stations are hot places.
iii) Some trees are tall
iv) Some humans are not mortal.
v) No hill stations are hot place.

2. Write a note on the traditional square of opposition? Also discuss relations in traditional square of opposition.
Or
a) Write a note on existential import.
b) State contrary, contradictory, sub contrary, subaltern and superaltern of the following propositions.
i) All triangles are polygon.
ii) Some Indian citizens are not Indian voter.

3. Answer any two of the following questions in about 200 words each.

a) What is Pararthanuman? Elaborate with the help of adequate example.
b) Write a note on Fallacies in Indian Logic.
c) What is a truth table? Test the validity of the following argument with the help of the indirect truth table method.
(A v B) • (C⊃D)
(D v E)• F
. ˙ . A • F
d) What is a symbol? Discuss the various kinds of symbols?

4. Answer any four of the following questions in about 150 words each.

a) Write a note on the relation between truth and validity in Inductive Logic.

b) Test the validity of the following arguments with the help of the venn diagram method.
i) AAA-4
ii) EIA-2

c) Write a short note on the Truth Functions.

d) Write a short note on Indian Logic.

e) Translate the following statements to the standard form propositions.
i) He does not hate tomato soup.
ii) Every Indian citizen is a voter.
iii) All cats meow.
iv) If it is a Tiger, then it is an animal.
v) Unless he gives an application, his request will not be entertained.

f) Symbolize the following propositions.
i) Some books are literary books and some books are non-literary books.
ii) Either He is trustworthy or She is honest.
iii) All girls are studious and all boys are studious.
iv) Neither you nor me are trustworthy.
v) All cities are polluted and overpopulated.

5. Write a short note on any five of the following in about 100 words each.

a) Fallacy of Amphiboly
b) Modus Ponens
c) Connotation of a term
d) The Straw Man Fallacy
e) Hetvabhas
f) Refutation of a Dilemma
g) Anumana
h) Quality (Categorical Proposition)

1. Write a note on inductive reasoning. What are its’ limitations?
Or
a) Write a note on “distribution of the terms”.
b) State whether the subject and predicate terms in the following propositions are distributed or undistributed.
i) All lions are animals.
ii) All hill stations are hot places.
iii) Some tables are wooden things.
iv) Some humans are not mortal.
v) No hill stations are hot place.

2. Write a note on existential import. Also discuss Boolean interpretation of existential import.
Or
a) Write a note on square of opposition.
b) State contrary, contradictory, sub contrary, subaltern and superaltern of the following propositions.
i) All triangles are polygon.
ii) Some Indian citizens are not Indian voter.

3. Answer any two of the following questions in about 200 words each.

a) What is Pararthanuman? Elaborate with the help of adequate example.
b) Write a note on mixed hypothetical syllogism.
c) What is a truth table? Test the validity of the following argument with the help of the indirect truth table method.
(A v B) • (C⊃D)
(D v E)• F
. ˙ . A • F
d) Differentiate between,
i) propositional constant and propositional variable.
ii) Concrete term and abstract term

4. Answer any four of the following questions in about 150 words each.

a) Write a note on the relation between truth and validity in Deductive logic.
b) Test the validity of the following arguments with the help of the venn diagram method.
i) IAA-4
ii) EIO-3
c) Write a short note on the concept of proposition in modern logic.
d) Differentiate between swarthanumana and pararthanumana.

e) Translate the following statements to the standard form propositions.
i) He does not hate tomato soup.
ii) Every Indian citizen is a voter.
iii) All politicians are democratic.
iv) If it is a lion, then it is an animal.
v) Unless he gives an application, his request will not be entertained.

f) Symbolize the following propositions.
i) Some books are literary books and some books are non-literary books.
ii) Either Delhi is hot or Hoshangabad is cold.
iii) All girls are studious and all boys are studious.
iv) Neither you nor me are trustworthy.
v) All cities are polluted and overpopulated.

5. Write a short note on any five of the following in about 100 words each.

a) Logic of Relation
b) Conditional Syllogism
c) Connotation of a term
d) Hasty Generalization
e) Hetvabhas
f) Complex Dilemma
g) Modus Tollens
h) Vyapti