, 2011, Linguistic regularity, in E. De Pellegrin (ed.), Interactive Wittgenstein, Dordrecht, Springer, pp. 171-181.
, 1999, "In the beginning was the deed" the private language argument, in R. Egidi (ed.), In search of a new humanism, Dordrecht, Springer, pp. 65-68.
, 1996, 'Wittgenstein's criticism of cartesianism', Synthese 106 (1), 49-55.
, 1995, Wittgenstein on philosophy and science, in R. Egidi (ed.), Wittgenstein, Dordrecht, Springer, pp. 23-36.
, 1994, 'Hintikka's interpretation of Wittgenstein's treatment of sensation-language', Grazer Philosophische Studien 49, 1-18.
, 1993, 'The ego and the eye: Wittgenstein's use of an analogy', Grazer Philosophische Studien 44, 59-68.
, 1992, 'Wittgenstein's concept of showing', Grazer Philosophische Studien 42, 91-105.
, 1991a, 'Self-deceptive belief-formation', Synthese 89 (3), 393-405.
, 1991b, 'Wittgenstein's account of rule-following', Synthese 87 (2), 273-283.
, 1989a, 'Rule-following in philosophical investigations', Grazer Philosophische Studien 33, 249-261.