Juan Redmond is full professor at the University of Valparaíso, Institute oh Philosophy and research fellow at the Conicyt (Chile). He is graduated in Philosophy by the University of Cuyo (Argentina), Master in Literature by the Faculty of Etudes Romanes by the University of Lille 3 (France), with a dissertation untitled Fictions in the work of Jorge Luis Borges: for an artefactual approach and PhD in 2010 in Philosophy, University of Lille 3 (France), with a dissertation on Dialogical logic of fictions. Olga Maria Pombo Martins is graduated in Philosophy by the Faculty of Letters of the University of Lisbon, Master in Modern Philosophy by the Faculty of Social and Human Sciences by the New University of Lisbon, with a dissertation untitled Leibniz and the Problem of a Universal Language, PhD in 1998 in History and Philosophy of Education, University of Lisbon, with a dissertation on Unity of Sciences and disciplinar configuration of Knowledges. At 2009 she presented her Aggregation in History and Philosophy of Science at the Faculty of Sciences of the University of Lisbon (FCUL). She coordinated the scientific projects Encyclopedia and Hypertex (FCT- Sapiens, 1999-2002), Scientific Culture. Conceptual Migrations and Social Contaminations (FCT - Sapiens, 2002-2005) and Image in Science and Art (FCT - PTDC, 2006-2011). Since 2003, she is the coordinator of the research Centre for philosophy of Science of the University of Lisbon (CFCUL). She was the president of the FCUL Department Autonomous unit for History and Philosophy of Sciences from 2007 up until 2012. Angel Nepomuceno is Professor at the University of Sevilla, Departement of Logic and Philosophy of Science. His global research line is the interdisciplinary field Logic, Language and Information, specifically Logic (classical and non-classical), Argumentation Theory, Epistemology and theory of scientific knowledge.