1. Laws for metaphysical explanation Jonathan Schaffer; 2. Irrealism about grounding Naomi Thompson; 3. Against conservatism in metaphysics Maegan Fairchild and John Hawthorne; 4. Cardinals, ordinals and the prospects for a Fregean foundation Eric Snyder, Stewart Shapiro and Richard Samuels; 5. The basis of necessity and possibility Bob Hale; 6. Changing metaphysics: what difference does it make? Amie L. Thomasson; 7. Lady parts: the metaphysics of pregnancy Elselijn Kingma; 8. Spaces of possibility Timothy Williamson; 9. Wittgenstein on solipsism in the 1930s: private pains, private languages, and two uses of 'I' Tim Button; 10. What is a social practice Sally Haslanger; 11. Almost identical, almost innocent Katherine Hawley; 12. Compatibilism, indeterminism, and chance Penelope Mackie; 13. Quantifier variance dissolved Suki Finn and Otávio Bueno; 14. Essence and mere necessity Jessica Leech; 15. Towards a hylomorphic solution to the grounding problem Kathrin Koslicki; 16. Metaphysical optimism Penelope Rush.
