## 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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straightforward : It follows if there are

straightforward : It follows if there are

**literals**among the facts that unify with each of the precondition**literals**and if all of the mgu's are consistent ( that is , if these mgu's have a unifying composition ) .Page 288

Therefore , if a goal expression contains a

Therefore , if a goal expression contains a

**literal**, L , that unifies with one of the**literals**in the add list of an F - rule , then we know that if we produce a state description that matches appropriate instances of the preconditions ...Page 289

**literals**. ) Let R [ Q ; Fu ] be the regression of a**literal**Q through a ground instance Fu of an F - rule with precondition , P , delete list , D , and add list , A. Then , if Qu is a**literal**in Au , RIQ ; Fu ] = T ( True ) else ...### 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

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### Common terms and phrases

achieve actions algorithm AND/OR graph answer applied arcs Artificial Intelligence assume attempt 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 global database 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