<b>The deconstruction of the sign and of linguistics as a positive science

In this paper, we discuss the derridean critic on linguistic and phenomenological sign, as well as the metaphysical determinations of Science in general, and of linguistics in particular. We point out to a deconstructive dimension of language, considering three important texts by Derrida, such as: The Voice and the Phenomenon, Grammatology, and The Structure and Play in the Discourse of Human Sciences. It is at stake to reflect on the limits of the concepts, and the possibility of widening the frontiers of language field taking into consideration the deconstruction proposed by Derrida