Argumentation and acts of language in political discourse.

Este artigo aborda as rela??es entre os atos de linguagem e a argumenta??o no discurso pol?tico, considerando-se a relev?ncia das dimens?es do ethos, do logos e do pathos no engendramento dos processos enunciativos mais t?picos desse dom?nio discursivo.This paper discusses the relations between speech acts and argumentation in political discourse, considering the relevance of the dimensions of ethos, logos and pathos in engendering the most typical enunciative processes of that discursive domain