Abstract

Persuasion is a special aspect of our social and linguistic practices – one where an interlocutor, or an audience, is induced, to perform a certain action or to endorse a certain belief, and these episodes are not due to the force of the better reason. When we come near persuasion, it seems that, in general, we are somehow giving up factual discourse and the principles of logic, since persuading must be understood as almost different from convincing rationally. Sometimes, for example, we can find persuasion a political speech that relies on our feelings, emotions and values, but we can also find a persuasive person a dodger, busy in his own questionable activities that are intentionally performed in order to mislead and manipulate other people. However, I do not want to try to define a general notion of persuasion from the beginning. I would rather start with a conception that already has a place, even if controversial, in the philosophical debate. In particular, the version that I have always found particularly provocative is that provided by Wittgenstein’s On Certainty. This peculiar version of the idea of persuasion, which is often associated with the possibility of overcoming deep disagreements, is quite famous in the literature and often understood as indicating certain intrinsic limits of our reason-giving practices. The following are Wittgenstein’s famous remarks on persuasion: 608. Is it wrong for me to be guided in my actions by the propositions of physics? Am I to say I have no good ground for doing so? Isn’t precisely this what we call a ‘good ground’? 609. Suppose we met people who did not regard that as a telling reason. Now, how do we imagine this? Instead of the physicist, they consult an oracle. (And for that we consider them primitive.) Is it wrong for them to consult an oracle and be guided by it? If we call this “wrong” aren’t we using our language-game as a base from which to combat theirs? 611. Where two principles really do meet which cannot be reconciled with one another, then each man declares the other a fool and heretic. 612. I said I would ‘combat’ the other man, – but wouldn’t I give him reasons? Certainly; but how far do they go? At the end of reasons comes persuasion. (Think what happens when missionaries convert natives.) This paper is not devoted, as far as possible, to focus on interpretative matters about Wittgenstein’s late philosophy. Rather, it aims to investigate whether there are problems and incompatibilities between this particular conception of persuasion and our contemporary understanding of our reason-giving practices and of our belief-revision procedures. The first part of this study will be concerned about assessing this conception of persuasion and trying to shed new light on it (and on its consequences); most of the work here is done by looking at some truisms and normative features of our practices regarding the rational updating of our beliefs. It also addresses the question: Is the resistance to reasons of Wittgenstein’s persuasion capable to avoid the strict dynamics of belief revision? The second section of this study concerns the possibility of limiting the scope of this conception of persuasion, thanks to some of our contemporary ways of understanding rational discursive practices (I will focus especially on Robert Brandom’s game of “giving and asking for reasons”). If our rational practices require at least a certain degree of epistemic responsibility, then how is it possible that one invokes the end of reasons (that would explicitly mean giving up this responsibility)? A third section is the attempt, on this basis, to try to revise our contrasting conception(s) of persuasion (with an eye open on the near doxastic territory). Are there other conceptions of persuasion which are more compatible with our rational practices and do not entail any version of the “end of reasons” that are so compatible with our individual and social epistemic responsibility?