## 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 161

CHAPTER 5

CHAPTER 5

**RESOLUTION**REFUTATION SYSTEMS In this chapter and chapter 6 , we are primarily concerned with systems that prove theorems in the predicate calculus . Our interest in theorem proving is not limited to applications in ...Page 163

PRODUCTION SYSTEMS FOR

PRODUCTION SYSTEMS FOR

**RESOLUTION**REFUTATIONS We can think of a system for producing**resolution**refutations as a production system . The global database is a set of clauses , and the rule schema is**resolution**. Instances of this schema ...Page 172

The set - of - support , linear - input form , and ancestry - filtered form strategies restrict

The set - of - support , linear - input form , and ancestry - filtered form strategies restrict

**resolutions**. ... This fact does not mean , however , that**resolution**order has no effect on the efficiency of the process .### What people are saying - Write a review

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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 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