Abstract

Classic and modern philosophy propose different views on the question of self-knowledge. Ancient philosophy identifies self-knowledge with the knowledge of the soul, which is the principle of unity in man. Modern philosophy is intereseted in subjectivity, but has a problematic view of it. Some currents, like Idealism, consider that a total reflexcion is possible, in which the subjectivity becomes totally present to itself, but others, as Empiricists, are skeptical and even deny the existence of a true subject. The difficulties of the Idealistic project have are uncovered by some contemporary philosophers, like Heidegger and post-modern thinkers. Polo shows how the denial of a reflective and objective knowledge of the person is compatible with the claim that the person is a radical and transcendental act of intellect. The key of this proposal is the affirmation that there are different kinds of acts of the intellect, according to their theme