I propose a characterization of the dialectical dimension of argumentation by considering the activity of arguing as involving
a “second order intersubjectivity”. I argue that argumentative communication enables this kind of intersubjectivity as a matter
of the recursive nature of acts of arguing—both as justificatory and as persuasive devices. Calling attention to this feature
is a way to underline that argumentative discourses represent the explicit part of a dynamic activity, “a mechanism of rational
validation”, as Rescher (Dialectics. A controversy oriented approach to the theory of knowledge. SUNY Press, Albany, 1977) showed, which is a practice that presupposes the possibility of attaining objectivity.