Introduction -- Metaphysics -- "Ostrich nominalism"' or "mirage realism"? -- Postscript to "Ostrich nominalism" or "mirage realism"? -- Aberrations of the realism debate -- Postscript to "aberrations of the realism debate" -- Underdetermination and commonsense realism -- Scientificrealism -- Postscript to "scientific realism" -- Incommensurability and the priority of metaphysics -- Postscript to "incommensurability and the priority of metaphysics" -- Global response dependency and worldmaking -- The metaphysics of nonfactualism -- The metaphysics of truth -- Moral realism : a naturalistic perspective -- Natural kinds and biological realisms -- Resurrecting biological essentialism -- Epistemology -- Naturalism and the a priori -- No place for the a priori -- Intuitions -- On determining what there isn't.