Javier Vilanova Arias is Associate Professor in the Department of Logic and Philosophy of Science at the Complutense University of Madrid , where he started to work after receiving his Philosophy PHD from the University of Santiago de Compostela in 1996. His research interests include Logic, Philosophy of Logic, Philosophy of Language, Theory of Argumentation, Metaphilosophy and Epistemology. His last book is Al menos sé que sé algo. Estrategias argumentativas para fundamentar el conocimiento (At least I know that I know something. Argumentative strategies for founding our knowledge”, Escolar y Mayo, Madrid 2015). His CV and selected papers can be accessed on https://ucm.academia.edu/JavierVilanovaArias.