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BCA-301N · Artificial Intelligence
Unit 3

Knowledge Representation & Classical Logic

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Unit 3 Learning Hub

Knowledge Representation & Classical Logic

Official MJPRU BCA Unit 3: Knowledge Representation & Classical Logic for BCA-301N (Artificial Intelligence).

Syllabus Topics:Knowledge Representation Requirements: Representational Adequacy, Inferential Adequacy, Inferential Efficiency & Acquisitional EfficiencyPropositional Logic: Syntax, Semantics, Truth Tables, Logical Connectives, Validity, Satisfiability & TautologiesFirst-Order Predicate Logic (FOPL): Universal (∀) and Existential (∃) Quantifiers, Predicates, Terms, Functions & ArityConversion to Conjunctive Normal Form (CNF): 9-Step Standard Procedure (Eliminating Implications, De Morgan's, Skolemization)Skolemization Paradigm: Skolem Constants vs Skolem Functions for Existential QuantifiersClause Form Transformation: Prenex Normal Form, Eliminating Universal Quantifiers & Dropping ConjunctionsUnification Algorithm in FOPL: Most General Unifier (MGU), Substitution Sets & Occur Check ImplementationResolution Refutation Principle: J. Alan Robinson's Rule of Inference, Proof by Contradiction in Clause LogicResolution Refutation Trees: Linear Resolution, Binary Resolution & Resolvent ConstructionDeduction, Induction, and Abduction: Formal Distinctions, Defeasible Reasoning & SoundnessAutomated Theorem Proving: Robinson's Algorithm Application to Mathematical & Logical ProofsQuestion Answering Systems: Green's Method, Answer Literals, Binding Accumulation & Extracting Variable Substitutions
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Introduction to Computers & The IPO Cycle

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Topic 1 · The foundation of modern computing

Introduction to Computers & The IPO Cycle

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💡 The Big Picture:A computer is an electronic system that takes raw data as Input, processes it under programmed logic, and produces meaningful Information as Output.
🍪 Everyday Analogy:Think of baking cookies: Flour & Sugar (Input) ➔ The Oven (Processing) ➔ Warm Delicious Cookie (Output)! 🍪
Key Exam Takeaways
  • ·Data = Raw, unprocessed facts without context (e.g. 42, 'apple').
  • ·Information = Structured data with meaning (e.g. 'Temperature: 42°C').
  • ·Hardware is what you can touch; Software is the instructions running inside.
Instant Knowledge Check
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Which of the following represents unprocessed raw facts?

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