CLIPS User’s Guide

Table of Contents

Chapter 1 Just the Facts......................................................................................... 1

Introduction........................................................................................................... 1

The Beginning and the End.................................................................................... 2

Making a List.......................................................................................................... 3

And Checking It Twice............................................................................................ 3

Clearing Up the Facts.............................................................................................. 5

Sensitive Fields and Slurping.................................................................................. 6

A Matter of Style..................................................................................................... 14

Getting Spaced Out................................................................................................ 15

Retract that Fact..................................................................................................... 16

Watch that Fact....................................................................................................... 18

With a Little Help..................................................................................................... 20

Chapter 2 Following the Rules............................................................................... 21

Making Good Rules................................................................................................ 21

Let's Get Quacking................................................................................................. 24

Kick your Duck....................................................................................................... 26

Show Me the Rules................................................................................................ 27

Write to Me............................................................................................................. 28

Other Features....................................................................................................... 29

Chapter 3 Adding Details........................................................................................ 31

Stop And Go.......................................................................................................... 31

Take a Walk............................................................................................................ 32

A Question of Strategy........................................................................................... 32

Gimme Deffacts...................................................................................................... 33

Selective Elimination.............................................................................................. 35

Watch It!................................................................................................................. 35

A Good Match........................................................................................................ 36

Other Features....................................................................................................... 37

Chapter 4 Variable Interests.................................................................................. 39

Let's Get Variable................................................................................................... 39

Be Assertive.......................................................................................................... 40

What the Duck Said................................................................................................ 41

The Happy Bachelor............................................................................................... 42

It's Not Important..................................................................................................... 43

Going Wild............................................................................................................. 45

The Ideal Bachelor.................................................................................................. 47

The Lucky Duck..................................................................................................... 49

Chapter 5 Doing It Up In Style................................................................................. 53

Mr. Wonderful........................................................................................................ 53

Bye-Bye................................................................................................................ 55

Ain't No Strings on Me............................................................................................ 58

What's in a Name.................................................................................................... 59

Chapter 6 Being Functional.................................................................................... 63

Not My Constraint................................................................................................... 63

Be Cautious........................................................................................................... 64

And Away We Go.................................................................................................... 65

It's Elementary........................................................................................................ 66

Extensive Arguments............................................................................................. 67

Mixed Results........................................................................................................ 68

Bound Bachelors................................................................................................... 69

Doing Your Own Thing............................................................................................ 71

Other Features....................................................................................................... 72

Chapter 7 How to Be in Control............................................................................. 75

Let's Start Reading................................................................................................. 75

Being Efficient....................................................................................................... 77

Other Features....................................................................................................... 78

Chapter 8 Matters of Inheritance............................................................................ 83

How to be Objective............................................................................................... 83

The Class Stuff....................................................................................................... 84

How the UPPIES Get Theirs.................................................................................... 86

The Illegitimate YUKKIE.......................................................................................... 91

Show Me............................................................................................................... 94

Other Features....................................................................................................... 99

Chapter 9 Meaningful Messages............................................................................ 101

The Birds and the Bees..........................................................................................