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TYBA Paper 8: Semester V

Paper Title : Formal Logic

Code: UAPHI -A505 (subject to change as per University coding)

No. of lectures: 60

Total Marks: 100

Unit 1 Introduction to Logic (15 lects)

Definitions of logic, logic as a formal science, propositions and sentences

Arguments: premises and conclusions, recognizing arguments, types of arguments:

inductive and deductive (theory and exercise) ; Kinds of agreement and disagreement

Three basic functions of language ; Definitions: types: stipulative, lexical, pr écising,

theoretical and persuasive; identifying definitions from passages

Unit 2 Deductions (15 lects)

Traditional classification of propositions (quality, quantity and distribution)

Square of opposition: contradictories, contraries, subcontraries and sub altern (theory

and exercises)

Eductions (theory and exercises)

Unit 3 Syllogisms (15 lects)

Nature of syllogism: major, minor and middle terms; types of syllogism: categorical,

disjunctive and conditional

Mood and Figure: special rules of the four Figures and 15 valid Moods ; Testing validity of

syllogisms by rules of syllogistic reasoning

Venn diagram technique for testing syllogisms

Unit 4 Non -formal Fallacies (15 lects)

T o define & identify fallacies in passages

Difference between formal and non- formal fallacies

Exercises on Non -formal Fallacies :

(i) Division (ii) Composition (iii) Accident (iv) Converse fallacy of accident (v) Begging the

question (vi) False cause (vii) Complex question (viii) Ignoratio elenchi (6 fallacies: ad

baculum, ad hominem, ad misericordiam, ad populum, ad verecundiam and ad

ignoratiam) (ix) Red Herring (x) Slippery slope (xi) Straw man fallacy

Books Recommended for the Course:

Symbolic Logic . Irving Copi, 5th Edition (Collier Macmillan Publishers, London, Macmillan

Publishing Co., Inc., New York).

Introduction to Logic . Irving Copi and Others. 14th edition

Metalogic : An – Introduction to the Metathero y of Standard First order Logic. Geoffre y Hunter

(Macmillan & Co., London and Basingatoke).

The Elements of Logic. Robert Lata and Alexander Macbeath (Macmillan & Co. Ltd.)

Logic of truth -functions- An Introduction to Symbolic Logic . Ramprasad Das Firma K.L

Mokhopadhyay, Calcutta, 1964

The Elements of Formal Logic . Hughes G.E and Londey D.G, G. N Mansukhani, (B.I Publications,

Bombay,1965)