Preface -- Contents -- I. Material Falsity -- 1. Thinking One Thing Is Another -- 2. A Little History -- II. What Confusion Is -- 3. Fred and the Ant Colony -- 4. The Semantic Use of Psychological Language -- III. A Little Logic -- 5. Ambiguity -- 6. Humoring -- IV. Truth-Valuing -- 7. Calibration -- 8. Failure to Refer -- 9. How You Convince People-Including Yourself-of the Theory of Descriptions -- 10. Trying to Predicate Existence -- V. A Logic for Confusion -- 11. Explicating -- 12. Good Advice -- 13. How Fred Should Think -- VI. Curing Confusion -- 14. Semantic Self-Awareness -- 15. Two Charleys -- 16. Young Newton -- VII. Flexible Sameness -- 17. Self-Induced Confusion -- 18. The Theory of Ideas -- 19. Making Category Mistakes and Loving It -- Notes -- Index.