I am associate professor at the Department of Philosophy of the Federal University of Rio Grande do Norte (UFRN), in Natal, Brazil. I have a Ph.D. in Logic and Philosophy of Science from the State University of Campinas (Unicamp), and a degree in Computer Engineering from the same institution. I was visiting scholar for one year at the Centre of Philosophy of the University of Lisbon. I work mainly in the areas of Philosophy of Logic, Metaphysics, and Philosophy of Science and Technology. I participate in two postgraduate programs in Philosophy: PPGFIL (master and doctorate), and PIDFIL (doctorate), and also in the program on Development and Environment PRODEMA (master).