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Necessary BeingIn Edward Craig (ed.), Routledge Encyclopedia of Philosophy: Genealogy to Iqbal, Routledge. pp. 743-747. 1998.
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Origins of logical spaceIn Otávio Bueno & Scott A. Shalkowski (eds.), The Routledge Handbook of Modality, Routledge. 2018.
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Naturalistic pantheismIn Andrei A. Buckareff & Yujin Nagasawa (eds.), Alternative Concepts of God: Essays on the Metaphysics of the Divine, Oxford University Press. 2016.