## 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 Intelligence"evolved 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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Performing all ( goal ) resolutions on L between the clauses deriving from ( W ^ ~

L ) and the goal wff clauses produces a set of resolvents that are identical to

clauses included among those associated with the

the ...

Performing all ( goal ) resolutions on L between the clauses deriving from ( W ^ ~

L ) and the goal wff clauses produces a set of resolvents that are identical to

clauses included among those associated with the

**consistent**solution graphs ofthe ...

Page 217

We show a

nodes are shown double - boxed , and rule applications are labeled by the rule

number . To verify the

unifying ...

We show a

**consistent**solution graph for this problem in Figure 6 . 10 . The factnodes are shown double - boxed , and rule applications are labeled by the rule

number . To verify the

**consistency**of this solution graph , we compute theunifying ...

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then checking it for

search must continue until a

strategy would involve checking for

graphs ...

then checking it for

**consistency**. If this candidate graph is not**consistent**, thesearch must continue until a

**consistent**one is found . A more sophisticatedstrategy would involve checking for

**consistency**as the partial , candidate solutiongraphs ...

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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 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 efficient evaluation example expanded 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 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 unifying unit universal variables