Class 11 Logic and Philosophy Important Chapter 3 Inference, Categorical Syllogism

Class 11 Logic and Philosophy Important Chapter 3 Inference, Categorical Syllogism Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters ASSEB Class 11 Logic and Philosophy Important Solutions and select need one. AHSEC Class 11 Logic and Philosophy Additional Notes English Medium Download PDF. HS 1st Year Logic and Philosophy Important Solutions in English.

Class 11 Logic and Philosophy Important Chapter 3 Inference, Categorical Syllogism

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. ASSEB Class 11 Logic and Philosophy Additional Question Answer are part of All Subject Solutions. Here we have given HS 1st Year Logic and Philosophy Important Notes in English for All Chapters, You can practice these here.

Inference, Categorical Syllogism

Chapter: 3

IMPORTANT QUESTION AND ANSWER

Short Questions and Answers:

1. What is inference?

Ans: Inference is a kind of mental process.

2. What is conversion?

Ans: Conversion is of two types:

(a) Simple Conversion

(b) Complex Conversion

3. What are the types of inference?

Ans: The two types of inference are:

(i) Deductive Inference.

(ii) Inductive Inference.

4. What is deductive inference?

Ans: Deductive inference is one in which knowledge of a general relation leads to knowledge of a specific relation or less general proposition.

5. What is inductive inference?

Ans: Inductive inference is one in which knowledge of specific relations leads to knowledge of a general relation.

6. State the characteristics of deductive inference.

Ans: (a) The conclusion is derived from one or more premises.

(b) The conclusion is implicit in the premises and necessarily follows from them.

7. State the characteristics of inductive inference.

Ans: (a) The conclusion always comes from more than one premise.

(b) It provides probable but not certain conclusions.

(c) It is based on specific observations or experiences.

(d) It expands knowledge beyond the given premises.

(e) Its conclusions are subject to change with new evidence.

(f) It moves from particular instances to general principles.

(g) It is non-demonstrative and not logically conclusive.

8. What are the types of deductive inference?

Ans: Types of Deductive Inference are:

(a) Immediate Inference.

(b) Mediate Inference.

9. State the types of conversion.

Ans: Types of conversion are: 

(a) Simple Conversion.

(b) Complex Conversion.

10. Differentiate between immediate and mediate inference.

Ans: Immediate inference has two propositions: one premise and one conclusion.
Mediate inference has more than two propositions, multiple premises and one conclusion.

11. What are the types of syllogism?

Ans: Types of syllogism are:

(a) Pure Syllogism.

(b) Mixed Syllogism.

12. What is a pure syllogism?

Ans: A syllogism in which all three propositions share the same kind of relation.

13. What is a mixed syllogism?

Ans: A syllogism where the three propositions are not of the same type, but have different relations.

14. What is a pure categorical syllogism?

Ans: A syllogism in which all three propositions are categorical.

15. What is the middle term?

Ans: The term that appears in both premises but not in the conclusion is called the middle term.