Preface xiii Acknowledgments xvi Introduction 3 // PART ONE // ... RESEARCH // ONE // Diversity-Oriented Research: Between Complexity and Generality 21 // TWO // Constituting Populations 43 // THREE // Studying Cases as Configurations 64 // FOUR // Causal Complexity 88 // v // FIVE // The Logic of Diversity-Oriented Research 120 // PART TWO // Flim-SET 1?? s // SIX // Fuzzy Sets and the Study of Diversity 149 // SEVEN // Using Fuzzy Sets to Constitute Cases and Populations // 181 // EIGHT // Fuzzy Sets and Necessary Conditions 203 // NINE // Using Fuzzy Sets to Study Sufficient Conditions // 230 // TEN // Causal Complexity: Applying Fuzzy-Set Methods // 261 // ELEVEN // Fuzzy Sets and the Dialogue between Ideas and Evidence // 309 // Bibliography 335 Index 345