Disputatio, Vol. IV, No. 34, December 2012 Received on 14 September 2010 Vol. IV, No. 34, December 2012 Disputatio Disputatio International Journal of Philosophy Centro de Filosofia da Universidade de Lisboa www.disputatio.com Special Issue Logic, Norms and ontology. Recent Essays in Luso-Brazilian Analytic Philosophy Edited by João Branquinho and Guido Imaguire