## 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. |

### From inside the book

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Page 147

The general rule for eliminating an existential quantifier from a wff is to replace

each occurrence of its

whose arguments are those universally quantified variables that are bound by ...

The general rule for eliminating an existential quantifier from a wff is to replace

each occurrence of its

**existentially quantified**variable by a Skolem functionwhose arguments are those universally quantified variables that are bound by ...

Page 175

EXTRACTING ANSWERS FROM RESOLUTION REFUTATIONS Many

applications of predicate calculus theorem - proving systems involve proving

formulas containing

instances for ...

EXTRACTING ANSWERS FROM RESOLUTION REFUTATIONS Many

applications of predicate calculus theorem - proving systems involve proving

formulas containing

**existentially quantified**variables , and finding values orinstances for ...

Page 182

The underlined part of the answer statement is obviously similar to the entire goal

wff — with g ( x ) taking the place of the

goal wff , and f ( g ( x ) ) taking the place of the

The underlined part of the answer statement is obviously similar to the entire goal

wff — with g ( x ) taking the place of the

**existentially quantified**variable x in thegoal wff , and f ( g ( x ) ) taking the place of the

**existentially quantified**variable y ...### What people are saying - Write a review

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### Contents

PROLOGUE | 1 |

PRODUCTION SYSTEMS AND AI | 17 |

SEARCH STRATEGIES FOR | 53 |

Copyright | |

10 other sections not shown

### Other editions - View all

### Common terms and phrases

achieve actions algorithm AND/OR graph answer applied arcs Artificial Intelligence 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 efficient evaluation example expression F-rule fact Figure formula function given global database goal 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