This paper offers an account of a fallacy we will call bothsiderism, which is to mistake disagreement on an issue for evidence that either a compromise on, suspension of judgment regarding, or continued discussion of the issue is in order. Our view is that this is a fallacy of a unique and heretofore untheorized type, a fallacy of meta-argumentation. The paper develops as follows. After a brief introduction, we examine a recent bothsiderist case in American politics. We use this as (...) a pivot point to survey the theoretical literature on the fallacy. The most prominent theory is that bothsiderism is a case of dialogue-shifting. This view fails, we maintain, to explain how bothsiderism might be persuasive. We argue, rather, bothsiderism is a kind of meta-argumentative fallacy. (shrink)

Douglas Walton’s multitudinous contributions to the study of argumentation seldom, if ever, directly engage with argumentation in mathematics. Nonetheless, several of the innovations with which he is most closely associated lend themselves to improving our understanding of mathematical arguments. I concentrate on two such innovations: dialogue types (§1) and argumentation schemes (§2). I argue that both devices are much more applicable to mathematical reasoning than may be commonly supposed.

Some disagreements seem to be persistent: they are, pretty much, immune to persuasive argumentation. If that is the case, how can they be overcome? Can argumentation help us? I propose that to overcome persistent disagreements through argumentation, we need a dynamic and pluralistic version of argumentation. Therefore, I propose that argumentation, more than a tool that uses persuasion to change the mind of the counterpart, is a toolbox that contains persuasion, deliberation, negotiation, and other dialogical strategies that can be used (...) to reach an agreement. (shrink)

This paper defends negotiation as a way of rationally overcoming disagreements. Negotiation is a type of dialogue where the parties begin with a conflict and a need for cooperation, and their main goal is to make a deal as reported (Walton and Krabbe 1995, p 72). It has been discussed whether differences of opinion can be shifted from persuasion to negotiation dialogue. If two parties disagree, is it reasonable to overcome their disagreement by employing negotiation? Van Laar and Krabbe (2018a) (...) argue that negotiation is the correct way to settle disagreements when the parties arrive at a stalemate. Godden and Casey (2020) deny this. They argue that the goal of persuasion dialogue (to resolve a conflict by verbal means) can never be replaced by a bargaining procedure. This paper claims that shifts to negotiation are reasonable, but only if the shift meets two conditions. The practical condition requires the disagreement to be practical rather than theoretical, and the sacrifice condition requires that the parties freely agree to shift the dialogue to negotiation. When the parties do not meet these conditions, they commit fallacies such as ad consequentiam, ad baculum or the fallacy of middle ground. Finally, I argue that negotiation arises in practical argumentation when the parties assign different relative values to their goals. When this process occurs, we see negotiation as a small step within the practical argumentation process. Persuasion, deliberation and negotiation dialogue are, then, deeply intertwined and are sometimes indistinguishable. (shrink)