At the end of 2016 the prestigious Oxford Dictionary has elected and announced that post-thuth was his word of the year. The choice was based on the significantly increase of the use of the word and it would be related to the main politics landscape that had been on the spots of the public discussion that year, about the contexts referred by the dictionary. His definition (of post-truth) would refer to a perspective where emotion was more important to the public appeal than references to facts, just as a growing devaluation of truth too. The word, then, got more themed and publicly discussed in this key. From this context, this text comes to the following question: why it would be preferred, pointed and defended, axiologically speaking, a statement as true even if epistemologically these statements proceed or not? From this debate, this text turns his view from a will to truth to a will to identity, thinking the processes in witch individuals or groups creates identifications about certain truths in their axiological sense. Thus, it begins to inquire the mechanisms of identity and the consolidation of those truths; in this purpose it resorts to the philosophical postulates of Friedrich Nietzsche and Jacques Derrida and establishes a narrative starting from the question about the notion of post-truth, its limits, which follows from the will to truth according to postulates of Nietzsche to the discussions about identities and identifications on Derrida s postulates. So, it s possible to outline the possibilities, in an axiological sense, of a discuss about a hypertrophy of truth.