Martin Heidegger claims to have elucidated a concept of truth more authentic than that held since Aquinas, which sees truth as the correspondence between a thing and its representation. He is guided in elaborating this new view, among other things, by the form of the Greek term ἀλήθεια, which is articulated on the basis of an initial privation. However, although Heidegger's reference to the Greek term has been discussed frequently, it is not certain that the role that Heidegger wishes negativity to play in the concept of truth is perfectly clear. In reality, as this article seeks to show, as from the first publication of this «new» concept of truth, in Being and Time, the meaning of the negativity which inhabits it is marked by a profound a...