The Foundations of Mathematics (15-19 Giugno, 1981)

    Development, Institutionalization, and Methods in Natural  Sciences: 
    1780-1840 (15-18 Settembre, 1981)

    The Darwinian Heritage (14-19 Giugno, 1982)

    The Idiotypic Network (20-23 Maggio, 1984)

    Theories of Meaning (3-7 Giugno, 1985)

    The Leibniz Renaissance (2-5 Giugno, 1986)

    Bolzanoís Wissenschaftslehre (16-19 Settembre, 1987)

    Knowledge, Belief and Strategic Interaction,I  (6-10 Giugno, 1989)

    Gestalt Psychology (13-17 Novembre, 1989)

    Kant and Contemporary Epistemology (27-30 Maggio, 1992)

    Knowledge, Belief and Strategic Interaction, II (18-22 Giugno, 1992)

    Quantum Structures (21-26 Settembre, 1992)

    Natural History and Evolution of an Animal Society: 
    the Paper- Wasp Case (4-7, Ottobre 1993) 

    Current Issues in the Philosophy of Science, I (11-12 Marzo,  1995)

    Current Issues in the Philosophy of Science, II (3 Febbraio, 1996)

    Experience, Reality & Scientific Explanation (17-18 Maggio, 1996)

    History, Philosophy & Science (14-16 Marzo, 1997)

    Mind, Computer & Quantum (28 Febbraio-1 Marzo, 1998)

    Operations, Sets and Types (3-6 Ottobre, 1998)

    Analytical and Continental Aspects of Logical Empiricism: 
    Historical and Contemporary Perspectives (2-4 Novembre, 1999)