| Considering Fuzziness | p. 1 |
| Is "Fuzziness" a Vice? | p. 1 |
| Human-Beings Originally Ambiguous | p. 4 |
| Digital versus Analog | p. 4 |
| Logic for Computer | p. 6 |
| Human Beings Forced to Think Suitably for Computer | p. 7 |
| Contemporary Rationalism Due to Descartes | p. 8 |
| Modern Rationalism at a Deadlock | p. 9 |
| Information and Ambiguity | p. 10 |
| Requirement of Ambiguity | p. 11 |
| Aspect of Ambiguity | p. 12 |
| 149 Terminologies Concerning Fuzziness | p. 13 |
| What is Fuzzy Theory? | p. 14 |
| Before the Invention of Fuzzy Theory | p. 17 |
| Invention of Fuzzy Theory--Proposed by Prof. Zadeh in 1965 | p. 17 |
| Invention of Fuzzy Theory--Limitation of Rigorous Computer Modeling | p. 18 |
| Fuzzy Theory Invented by Talking About Beautiful Women--It is Used with Anything that is Dependent on Subjective Reasoning | p. 19 |
| Fuzzy Theory Met with Severe Criticism | p. 20 |
| My Personal History--Getting Involved in Fuzzy Theory | p. 22 |
| On Prof. Zadeh--The Father of Fuzzy Theory | p. 23 |
| Fuzzy Theory | p. 25 |
| How to Define "Middle Age" | p. 25 |
| What is Fuzzy Theory? | p. 27 |
| Notation of Fuzzy Theory | p. 29 |
| Representation of Subjectivity | p. 30 |
| Operations in Fuzzy Theory | p. 31 |
| Concept of Speed and Fuzzy Theory | p. 34 |
| Consistency of Fuzzy Sets | p. 38 |
| How to Think in Fuzzy Theory | p. 40 |
| Difference Between Fuzzy Theory and Probability Theory | p. 42 |
| What is Possibility Theory | p. 43 |
| Quantifying Uncertainty | p. 44 |
| Applications of Fuzzy Theory | p. 45 |
| Uncertainty not Accepted in Inference Based on Binary Logic | p. 45 |
| Daily Inference | p. 47 |
| Fuzzy Inference | p. 47 |
| Formalization of Fuzzy Inference | p. 48 |
| Artificial Intelligence and Uncertainty | p. 51 |
| How to Make Computers Thinks | p. 52 |
| Expert System--The Frontier of Artificial Intelligence | p. 53 |
| Fuzzy Expert Systems | p. 54 |
| Using the Fuzzy Expert System to Drive a Car | p. 55 |
| The First Successful Example--Fuzzy Control | p. 60 |
| The Principle of Fuzzy Control | p. 63 |
| Design Characteristics of Fuzzy Control | p. 66 |
| Fault Tolerance Characteristic of Fuzzy Control | p. 68 |
| Real Example of Fuzzy Control | p. 69 |
| Application in Social Science--Academic Uncertainty | p. 70 |
| Evaluation of the Risk of Smoking | p. 72 |
| Fuzzy Survey | p. 73 |
| Fuzzy Similarity | p. 76 |
| Difficulty with Conventional Data Bases | p. 78 |
| Fuzzy Database | p. 81 |
| Real Applications | p. 83 |
| Fuzzy Computers | p. 85 |
| Demonstration of a Fuzzy Computer | p. 85 |
| Development Work on the Fuzzy Computer | p. 87 |
| Control Target of the Demonstration | p. 88 |
| Structure of a Fuzzy Computer | p. 90 |
| Dream of a Fuzzy Computer | p. 91 |
| Usefulness of Uncertainty | p. 95 |
| Importance of Uncertainties | p. 95 |
| Use of Uncertainty | p. 97 |
| Uncertainty and Organizations | p. 98 |
| Uncertainty and Politicians | p. 100 |
| Advantages of Fuzzy Theory | p. 101 |
| Frequent Questions about Fuzzy Theory | p. 103 |
| Conclusions | p. 104 |
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