'Horn clauses' diaporamas de présentation

Programming Languages (CSCI 4430/6430) Part 3: Logic Programming: Summary

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Programming Languages Third Edition

Programming Languages Third Edition. Chapter 4 Logic Programming. Objectives. Understand the nature of logic programming Understand Horn clauses Understand resolution and unification Become familiar with the Prolog language Explore the problems with logic programming

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Lectures 3,4

Lectures 3,4. PROLOG LOGic PROgramming. Logic: what is it?. Philosophical logic fundamental questions Mathematical logic theory of correct reasoning Computational logic effectiveness of reasoning Language of scientific thinking. Logic Programming.

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Lectures 3,4

Lectures 3,4. PROLOG LOGic PROgramming. Logic: what is it?. Philosophical logic fundamental questions Mathematical logic theory of correct reasoning Computational logic effectiveness of reasoning Language of scientific thinking. Logic Programming.

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Programming Languages 2e Tucker and Noonan

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Lectures 11 / 12 Knowledge Representation Propositional Logic

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Lectures 11 / 12 Knowledge Representation Propositional Logic

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Automated Reasoning Systems

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Methods of Proof

Methods of Proof. Chapter 7, second half. Proof methods. Proof methods divide into (roughly) two kinds: Application of inference rules: Legitimate (sound) generation of new sentences from old. Resolution Forward & Backward chaining Model checking Searching through truth assignments.

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CS 416 Artificial Intelligence

CS 416 Artificial Intelligence. Lecture 10 Logic Chapters 7 and 8. Homework Assignment. First homework assignment is out Due October 20th. Midterm. October 25 th Up through chapter 9 (excluding chapter 5). Review. Store information in a knowledge base Backus-Naur Form (BNF)

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Prolog

Prolog. Harry R. Erwin, PhD COMM2M University of Sunderland. Primary Resources. Kluzniak and Szpakowicz, Prolog for Programmers, Academic Press, 1985. Pratt and Zelkowitz, Programming Languages, Prentice-Hall, 3rd edition, 1996.

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Effective Propositional Logic Search

Effective Propositional Logic Search. Use WalkSAT Use min-Conflict heuristic Similar to hill climbing and simulated annealing Pick unsatisfied clause then pick a symbol to flip to satisfy the clause by Use Min Conflict Or Random

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Methods of Proof

Methods of Proof. Chapter 7, Part II. Proof methods. Proof methods divide into (roughly) two kinds: Application of inference rules: Legitimate (sound) generation of new sentences from old. Resolution Forward & Backward chaining Model checking Searching through truth assignments.

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Prolog a declarative language

Prolog a declarative language. A program in a declarative programming language consists of assertions rather than assignments and control flow statements. These declarations are actually statements or propositions in symbolic logic.

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ICS 313: Programming Language Theory

ICS 313: Programming Language Theory. Module 14: Logic Overview. Logic 101 Review. A proposition is a logical statement that may or may not be true. Formal logic is a method for describing propositions and checking their validity. Symbolic logic is a kind of formal logic with:

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Introduction to Prolog

Introduction to Prolog. What is Prolog? Application Areas of Prolog How does Prolog work? (Syntax of Prolog) Program Structure. What is Prolog?. Prolog is a logical and a declarative programming language. The name itself, Prolog, is short for PROgramming in LOGic.

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Artificial Intelligence Chapter 14 Resolution in the Propositional Calculus

Artificial Intelligence Chapter 14 Resolution in the Propositional Calculus. Biointelligence Lab School of Computer Sci. & Eng. Seoul National University. Outline. A New Rule of Inference: Resolution Converting Arbitrary wffs to Conjunctions of Clauses Resolution Refutations

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An Introduction to Logical Programming

An Introduction to Logical Programming. Predicate Calculus. Logic programming is based on formal logic. Formal logic was developed to provide a method for describing propositions. Propositions are logical statements that may or may not be true.

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