Selected publications
  • 'A review of Edwin Curley's Behind the Geometrical Method'. Studia Spinozana vol. 5, 1989, p. 393-398.
  • On the metaphysics of Spinoza's Ethics. (Doctoral Dissertation, Turku 1991). [LINK]
  • 'Individual essences in individuation'. In Good reason. Essays dedicated to Risto Hilpinen. Eds. Olli Koistinen and Juha Räikkä. Turku 1993.
  • 'Causality, intensionality and identity: Spinoza's denial of mind body interaction'. Ratio, vol. IX, no. 1. 1996, p. 23-38.
  • 'Weakness of will in Spinoza's theory of human motivation'. North American Spinoza Society Monograph #4, 1996, p. 3-19.
  • Taivaassa ja maan päällä (with Juha Räikkä) . Edita 1997.
  • 'On the consistency of Spinoza's modal theory'. Southern Journal of Philosophy, vol. XXXVI, no. 1 1998, p. 61-80.
  • 'Descartes on non-identity and dualism' (with Timo Kajamies). Acta Philosophica Fennica 64, 1999, p. 155-170.
  • 'Compossibility and being in the same world in Leibniz's metaphysics' (with Arto Repo). Studia Leibnitiana, 1999, p. 196-214.
  • Action and Agent. Monograph. Acta Philosophica Fennica, 2001.
  • Spinoza: metaphysical themes. Olli Koistinen and John Biro (eds.) Oxford University Press, 2002.
  • 'Causation in Spinoza'. In Spinoza: metaphysical themes.
  • Finnish Studies in Seventeenth Century Rationalism. Poznan Studies in the Philosophy of the Sciences and the Humanities, Vol. 80, pp. 371-389. 2002.
  • On the Relationship between Metaphysics and Physics. In Eeva Martikainen (toim.) Infinity, Causality and Determinism, Peter Lang, 61-72., 2002.
  • With Arto Repo. Vague Objects and Phenomenal Wholes. Acta Analytica, Vol. 17, 29. 2003.
  • ‘Spinoza’s Proof of Necessitarianism’. Philosophy and Phenomenological Research, 67, No.2, 283-310. 2003.
  • On Steno’s letter to Spinoza. In Vesa Oittinen (ed.) Spinoza in Nordic Countries/Spinoza im Norden: Philosophical Studies from the University of Helsinki. Philosophical Studies from the University of Helsinki 5, 13-28. 2004.
  • Kant on a priori concepts. In Wladimir Bryuschinkin (hrsg.). Kant zwischen West und Ost, Kaliningrad, 26-34. 2004.
  • Kant ja Puhtaan järjen kritiikki [Kant and the Critique of Pure Reason](monograph). Areopagus. 2008.
  • Spinoza’s eternal self. In Jon Miller (ed.) Topics in Early Modern Philosophy of Mind (Springer). 2009.
  • Cambridge Companion to Spinoza’s ETHICS (editor). Cambridge University Press. 2009.
  • With Valtteri Viljanen: Introduction to Olli Koistinen (ed.) Cambridge Companion to Spinoza’s ETHICS, 1-25. 2009.
  • Spinoza’s philosophy of action. Olli Koistinen (ed.) Cambridge Companion to Spinoza’s ETHICS, 167-187. 2010.
  • Dretske on metaphysics and freedom. Trames, 173-178. 2010.


  • Spinoza’s ethics. In M. Sutrop, K. Simm (ed.) Great works of ethics.
  • Three entries in van Bunge, Krop, Steenbakkers, van de Ven (eds.) The Continuum Companion to Spinoza. Thoemmes continuum.
  • Spinoza on Mind. In Michael Della Rocca (ed.) Oxford Handbook of Spinoza. Oxford University Press.
  • The Critique of Pure Reason as Metaphysics. In Leila Haaparanta and Heikki J. Koskinen (ed.) Categories of Being. Oxford University Press.
  • Descartes in Kant’s transcendental deduction. In Midwest Studies in Philosophy. Special issue edited by John Carriero and Howard Wettstein.


Works in Progress
  • Spinoza on motivation and goodness. In Matt Kisner and Andrew Youpa (eds.) The ethics of the Ethics. Oxford University Press.
  • True and immutable natures. In Dave Cunning (ed.) The Cambridge Companion to Descartes’s Meditations. Cambridge University Press.