20th WCP: Philosophy of Mathematics: Papers given at the Twentieth World Congress of Philosophy; Boston, Massachusetts, USA; 10--15 August 1998.
Abstraction Workshop: Arché Centre for Philosophy of Logic, Language, Mathematics and Mind, University of St Andrews, Scotland, UK; 24--25 May 2002.
Alfred Tarski Centenary Conference: Stefan Banach International Mathematical Center, Warsaw, Poland; 28 May -- 1 June 2001.
Conference on Programmes in Mathematics: University of Hertfordshire, Watford Campus in Aldenham, UK; 13--14 July 1999.
Does Mathematics Require a Foundation?: Arché - The Centre for Philosophy of Logic, Language, Mathematics and Mind, University of St. Andrews, Scotland, UK; 12--15 August 2002.
Foundation of the Formal Sciences IV: The History of the Concept of the Formal Sciences. Rheinische Friedrich-Wilhelms-Universität Bonn, Germany; 14--17 February 2003.
Mathematical Knowledge: Fitzwilliam College, Cambridge, UK; 30 June -- 2 July 2004.
Midwest Philosophy of Mathematics Workshop: An annual conference. Last meeting: University of Notre Dame, Indiana, USA; 22-23 November 2003.
Philosophy of Science and Mathematics Events in Britain: To help philosophers of science and mathematics in Britain to find each other in ordinary spacetime.
PMP2002: Perspectives on Mathematical Practices, an International Conference on the Philosophy of Mathematics. Brussels University (VUB), Belgium; 24--26 October 2002.
The Nature of Mathematical Proof: A Royal Society Discussion Meeting. London, UK; 18--19 October 2004.