Though it is true, at the level of the various branches of knowledge, that finitude is always designated on the basis of man as a concrete being and on the basis of the empirical forms that can be assigned to his existence, nevertheless, at the archaeological level, which reveals the general, historical a priori of each of those branches of knowledge, modern man that man assignable in his corporeal, labouring, and speaking existence is possible only as a figuration of finitude.