Lourenço, M.S.2014-04-162014-04-162009-11Disputatio - International Journal of Philosophy. ISSN 0873-626X. 3:27 (2009). p. 187-2040873-626Xhttp://hdl.handle.net/10451/10939This text was presented by M.S. Lourenço as the inaugural lecture of the First Meeting of the Portuguese Society for Analytic Philosophy, ENFA1, in Coimbra 2002.englecture