
This article offers a thorough reconstruction of the controversial role that intentionality occupies in Martin Heidegger’s "What is Metaphysics?". First, we highlight the richness of the innovations Heidegger introduces in this work regarding the specifically derived and grounded conception of intentionality that takes place within the framework of Being and Time; and second, we show that between the grounding project of Being and Time and the one Heidegger carries out in Was ist Metaphysik?, there lies a different conception not only of intentionality but also of the mode in which the horizon unfolds —one that has not been fully revealed until today