[2024a]  Is, Ought and Wittgenstein, in Rossi, A., Ball, B. & Helliwell, A. (eds.) Wittgenstein and Artificial Intelligence. Vol. 2: Values and Governance, London: Anthem Press, pp. 23-42.

[2024b] (with Ball, B. and Helliwell, A.) Introduction, in Rossi, A., Ball, B. & Helliwell, A. (eds.) Wittgenstein and Artificial Intelligence. Vol. 1: Mind and Language, London: Anthem Press, pp. 1-16.

[2024c] (with Ball, B. and Helliwell, A.) Introduction, in Rossi, A., Ball, B. & Helliwell, A. (eds.) Wittgenstein and Artificial Intelligence. Vol. 2: Values and Governance, London: Anthem Press, pp. 1-21.

[2023] From Collapse Theorems to Proof-Theoretic Arguments, Australasian Journal of Logic, (20:1), pp. 1-31. 

[2021] Kant and Russell on Leibniz' Existential Assertions, Sophia (Online First).

[2017] Modal and Conceptual Ontological Arguments. Some Remarks on Gödel, Descartes and Meinong, in Vettorello, L. (Ed.),                      Ripensare una Metafisica Critica, Milano: Mimesis, 83-102.