NPTEL : Introduction to Logic (Humanities and Social Sciences)

Co-ordinators : Dr. A.V. Ravishankar Sarma


Lecture 1 - Identification of Arguments

Lecture 2 - Non-arguments

Lecture 3 - Types of Arguments: Deductive vs Inductive

Lecture 4 - Nature and Scope of Deductive and Inductive Arguments

Lecture 5 - Truth, Validity and Soundness

Lecture 6 - Strength of Inductive arguments, Counter example method

Lecture 7 - Toulmin’s Model of Argumentation

Lecture 8 - Identification of Formal and Informal Fallacies

Lecture 9 - Informal Fallacies: Fallacies of relevance

Lecture 10 - Fallacies of Weak Induction and Fallacies arising out of ambiguity in Language

Lecture 11 - Introduction and motivation for Syllogistic Logic

Lecture 12 - Aristotle theory of Syllogisms - 1

Lecture 13 - Syllogistic Poem, Reduction of Syllogisms

Lecture 14 - Syllogistic Poem, Reduction of Syllogisms

Lecture 15 - Nature and Scope of Propositional Logic

Lecture 16 - Syntax of Propositional Logic

Lecture 17 - Logical Connectives: Truth Tables

Lecture 18 - Truth Table Method: Validity, Consistency, Logical Equivalence

Lecture 19 - Semantic Tableaux Method for Propositional Logic

Lecture 20 - Knights and Knaves Puzzles

Lecture 21 - Semantic Tableaux Method: Further Examples

Lecture 22 - Natural Deduction Method

Lecture 23 - Natural Deduction: Examples

Lecture 24 - Conjunctive and Disjunctive Normal Forms

Lecture 25 - CNF, DNF and satisfiability and Validity

Lecture 26 - Resolution and refutation method

Lecture 27 - Resolution and refutation method: Examples

Lecture 28 - Axiomatic Propositional Logic

Lecture 29 - Hlbert Ackermann Axiomatic system

Lecture 30 - Proofs in the PM system

Lecture 31 - Hilbert and Ackermann System

Lecture 32 - Outlines of Predicate Logic

Lecture 33 - Outlines of Predicate Logic

Lecture 34 - Building blocks of Predicate Logic

Lecture 35 - Quantifiers, freedom, bondage

Lecture 36 - Translation in to predicate Logic

Lecture 37 - Semantics of Predicate Logic

Lecture 38 - Truth, satisfiability, validity in Predicate Logic

Lecture 39 - Formation Trees for wff’s in predicate Logic

Lecture 40 - Semantic Tableaux Method for Predicate Logic

Lecture 41 - Semantic Tableaux method: Satisfiability, Validity

Lecture 42 - Natural Deduction in Predicate Logic

Lecture 43 - Important theorems in First order Logic

Lecture 44 - Limitations of first order logic and Introduction to the course