Ricki Bliss is Assistant Professor of Philosophy at Lehigh University, USA. Her research focuses primarily on issues in foundational metaphysics with a particular interest in how history, in particular the history of Christian thought, might bear on those issues.

J.T.M. Miller is a philosopher based at the University of Nottingham, UK. From July 2020, he will be Assistant Professor of Philosophy at Durham University, UK. His research focuses on issues at the intersection of metaphysics, and philosophy of language and linguistics, including on the nature of metaphysical disputes, how to assess metaphysical theories, and the metaphysics of language.

Introduction: What is Metametaphysics? Ricki Bliss and JTM Miller Part 1: The History of Metametaphysics 1. Metametaphysics in Plato and Aristotle Vasilis Politis 2. Kantian Meta-Ontology Ralf M. Bader 3. Rudolf Carnap: Pragmatist and Expressivist about Ontology Robert Kraut 4. Quine's Metametaphysics Karl Egerton 5. Metaphysical Realism and Anti-Realism Jussi Haukioja 6. From Modal to Post-Modal Metaphysics Nathan Wildman Part 2: Neo-Quineanism (and its objectors) 7. Ontological Commitment and Quantifiers Ted Parent 8. Quantifier Variance Rohan Sud and David Manley 9. Verbal Disputes and Metaphysics Brendan Balcerak Jackson 10. Absolute Generality Agustín Rayo 11. The Metametaphysics of Neo-Fregeanism Matti Eklund 12. Easy Ontology Amie L. Thomasson 13. Defending the importance of ordinary existence questions and debates Jody Azzouni 14. Ontological Pluralism Jason Turner Part 3: Alternative Conceptions of Metaphysics 15. Grounding Alexander Skiles and Kelly Trogdon 16. Fundamentality Ricki Bliss 17. Metaphysical Explanation Naomi Thompson 18. Truthmaking and Metametaphysics Ross P. Cameron 19. Essence Jessica Leech 20. Fictionalist Strategies in Metaphysics Lukas Skiba and Richard Woodward 21. Global expressivism Stephen Barker 22. Hylomorphic unity Anna Marmodoro 23. Feminist Metaphysics Elizabeth Barnes 24. Social Ontology Rebecca Mason and Katherine Ritchie 25. Natural Language Ontology Friederike Moltmann 26. Phenomenology as Metaphysics Dan Zahavi Part 4: The Epistemology of Metaphysics 27. A Priori or A Posteriori? Tuomas E. Tahko 28. The epistemology of modality Sonia Roca-Royes 29. Ideology and Ontology Sam Cowling 30. Primitives Jiri Benovsky 31. Conceptual Analysis in Metaphysics Frank Jackson 32. Contingentism in Metaphysics Kristie Miller 33. Is Metaphysics Special? Thomas Hofweber Part 5: Science and Metaphysics 34. Science Guided Metaphysics Kerry McKenzie 35. Methods in Science and Metaphysics Matt Farr and Milena Ivanova 36. Thing and Non-Thing Ontologies Michael Esfeld 37. Moderately Naturalised Metaphysics Matteo Morganti 38. Science of the Possible JTM Miller. Index