This document contains a description of rationalism, and the illustration, of rationalism surged whit the reenactment y other different prolongations a was in the European other different in the American Hispanic. The rationalism, change the shape interpretation this fen omens the natural and sociality: the experimental physical in the conducted diffusions the idea illuminists. In the American Hispanic this ideas was by emancipators y arrived the form clandestine. The iluminist ideas in the XXI century signal and denuncied forms news the desigualdad in the people.