Intro
Preface
Contents
Contributors
1 Introduction
1.1 This Book
1.2 Its Structure
1.2.1 Part I
1.2.2 Part II
1.2.3 Part III
The Selected Work of Décio Krause
Part I Metaphysics and Ontology of Individuality
2 Quantum Individuality
2.1 Introduction
2.2 Schrödinger's Analogy and the Quantum Mechanical Formalism of Identical Particles
2.3 The Received View
2.4 An Alternative View
2.5 Particles and Their Identity
2.6 Décio Krause on Particle Identity
2.7 Conclusion
References
3 Quasi-structural Realism
3.1 Introduction

3.2 Eliminativist OSR
3.3 Moderate OSR
3.4 Quasi-set Theoretic Structure
3.5 OSR and Contextual Identity
3.6 Conclusion
References
4 Not Individuals, Nor Even Objects: On the Ontological Nature of Quantum Systems
4.1 Introduction
4.2 Some Metaphysical Preliminaries
4.2.1 Ontological Categories
4.2.2 Objects: Individuals Versus Stuff
4.2.3 Objects: Metaphysical Identity
4.2.4 Properties: Universals Versus Tropes
4.2.5 Properties: Determinables and Determinates
4.3 The Ontological Challenges of Quantum Mechanics
4.3.1 Contextuality

4.3.2 Non-locality and Non-separability
4.3.3 Indistinguishability
4.4 Systems as Non-objectual Bundles of Properties
4.4.1 Formalism and Ontology
4.4.2 The Structure of the Ontology
4.4.3 Non-objectual Bundles
4.5 Revisiting the Ontological Challenges
4.5.1 Contextuality
4.5.2 Non-locality and Non-separability
4.5.3 Indistinguishability
4.6 The Physical Nature of Non-objectual Bundles
4.6.1 Which Properties?
4.6.2 What Holds Properties Together?
4.7 Final Remarks
References
5 The Roads to Non-individuals
5.1 Introduction

5.2 From Logic to Non-individuality
5.3 From Physics to Non-individuality
5.4 From Ontology to Non-individuality
5.5 From Metaphysics to Non-individuality
5.6 Conclusion
References
6 Understanding (Defective) Theories
6.1 Introduction
6.2 The Generalities of Scientific Understanding
6.2.1 Preliminaries
6.2.2 The Ten Elements of Understanding
6.3 Defects, Theories, and Understanding
6.3.1 Defectiveness in Science
6.3.2 A Case Study: Quantum Mechanics and Non-individuality
6.3.3 The Challenges for Understanding Defective Theories

6.4 Understanding Defective Theories: A Structuralist Approach
6.4.1 The Motivations Defectiveness-Wise
6.4.2 The Proposal and Its Structuralist Roots
6.4.3 The Epistemological and Metaphysical Value
6.5 Understanding Via Quasi-Set Theory
6.5.1 The Basics of the (Paraconsistent) Quasi-Set Theory QP
6.5.2 Ideology, Ontology and Quantum Mechanics
6.5.3 Quantum Mechanics, Measurement and the Crisp Axiom
6.6 Final Remarks
References
7 A Phenomenology of Identity: QBism and Quantum(Non-)Particles
7.1 Introduction