Vangelis Triantafyllou is an Assistant Professor of Philosophical Logic in the Department of Philosophy at the School of Philosophy of the University of Ioannina. He graduated from the Department of Mathematics at the National and Kapodistrian University of Athens and completed postgraduate studies in Philosophy of Science at the Department of History and Philosophy of Science of the same university. His doctoral dissertation in Philosophical Logic focused on non-classical systems of logics for vagueness, titled ‘Logic and Semantics for Languages Containing Vague Predicates’, and was completed with a scholarship from the State Scholarships Foundation. He has taught at the University of Ioannina and at the National and Kapodistrian University of Athens. He has published papers in scientific journals and presented research at international and Greek conferences, on topics such as non-classical logic and its applications in philosophy, Aristotle’s syllogistic and its interpretation, Frege’s logic, the set-theoretic paradoxes and the foundations of mathematics.