## Principles of Artificial IntelligenceA classic introduction to artificial intelligence intended to bridge the gap between theory and practice, Principles of Artificial Intelligence describes fundamental AI ideas that underlie applications such as natural language processing, automatic programming, robotics, machine vision, automatic theorem proving, and intelligent data retrieval. Rather than focusing on the subject matter of the applications, the book is organized around general computational concepts involving the kinds of data structures used, the types of operations performed on the data structures, and the properties of the control strategies used. Principles of Artificial Intelligenceevolved from the author's courses and seminars at Stanford University and University of Massachusetts, Amherst, and is suitable for text use in a senior or graduate AI course, or for individual study. |

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Page 197

For example , the fact

For example , the fact

**expression**: ( Du ) ( Vv ) { Q ( v , u ) ^ ~ [ [ R ( v ) V P ( v ) ] ^ S ( u , v ) } } is converted to Q ( V , A ) 1 { [ ~ R ( v ) ~ ~ P ( v ) ] V ~ S ( A , v ) ] } . Variables can be renamed so that the same ...Page 237

( The

( The

**expression**[ R ( B ) AW ( A ) ^ V ( A , B ) cannot be proved from the facts that we have given , whereas the**expression**( V ( A , y ) ^ R ( y ) ^ V ( 1 , B ) A W ( 1 ) ] can . ) We might say that this operation , of matching ...Page 290

Unfortunately , to accept a disjunctive subgoal

Unfortunately , to accept a disjunctive subgoal

**expression**would violate our restrictions on the allowed forms of goal**expressions**. Instead , when such a case arises , we produce two alternative subgoal**expressions**.### What people are saying - Write a review

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### Contents

PROLOGUE | 1 |

PRODUCTION SYSTEMS AND AL | 17 |

SEARCH STRATEGIES FOR | 53 |

Copyright | |

10 other sections not shown

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### Common terms and phrases

achieve actions algorithm AND/OR graph answer applied arcs Artificial Intelligence assertions assume attempt backtracking backward block called chapter clause CLEAR(C complete component condition consider consistent contains control strategy corresponding cost database deduction Deleters described direction discussed evaluation example expression F-rule fact Figure formula function given goal goal node goal stack goal wff HANDEMPTY heuristic important initial involves JOHN knowledge labeled language literals logic match methods move namely node Note obtained occur ONTABLE(A operation path possible precondition predicate calculus problem procedure production system proof prove quantified reasoning refutation represent representation resolution result robot rule satisfied selected sequence shown in Figure simple solution graph solve specify statement step STRIPS structure subgoal substitutions successors Suppose symbols termination theorem unifying unit University variables