Abstract
It is well known that Charles S. Peirce's first attempt to construct a theory of metaphysical categories, already displaying the triadic pattern that would later become the keystone of his philosophy, directed itself towards the three English personal pronouns: I, IT, THOU.2 As many scholars have already noted, these three spheres of the phenomenal world identified by the young Peirce prelude to the 1867 "New List" (Quality, Relation and Representation) as well as to the later categories of Firstness, Secondness and Thirdness.But apart from their documentary significance as the seed of Peircean metaphysics, the writings on I, IT and THOU also have a philosophical interest in their own right, one which deserves to..