## 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 60

previously . Backtracking involves “ forgetting ” all databases whose paths lead to

failures . The algorithm remembers only those databases on the current path ...

**Note**that the recursive algorithm does not remember all databases that it visitedpreviously . Backtracking involves “ forgetting ” all databases whose paths lead to

failures . The algorithm remembers only those databases on the current path ...

Page 100

connector directed to the set of successors { nm , ng . For k > 1 , k - connectors

are denoted in our illustrations by a curved line joining the arcs from parent to

elements of ...

**Note**that node no has a l - connector directed to successor n , and a 2 -connector directed to the set of successors { nm , ng . For k > 1 , k - connectors

are denoted in our illustrations by a curved line joining the arcs from parent to

elements of ...

Page 169

At subsequent levels , the linear - input form strategy does reduce the number of

clauses produced . Again , the use of this strategy on our example problem does

...

**Note**that the first level of Figure 5 . 4 is the same as the first level of Figure 5 . 2 .At subsequent levels , the linear - input form strategy does reduce the number of

clauses produced . Again , the use of this strategy on our example problem does

...

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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 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