Signos Históricos is published semiannually by Departamento de Filosofía of the Universidad Autónoma Metropolitana campus Iztapalapa. The journal aims to publicize progress and products of the work done at the Department. Signos Históricos is the result of a laborious work that brings together the action of a large number of people, all of them interested in the production and dissemination of a professional historical knowledge, renewed and active.