This study tackles hashtags as framing devices which shape public arguments and controversies in computer-mediated communication environments. It focuses on the use of the genocide hashtag on Twitter in the context of the Ukraine-Russia war. It …

Despite increasing interest in studying arguments from deontic authority of the general form “(1) $$\delta$$ δ is a deontic authority in institution $$\varOmega$$ Ω ; (2) according to $$\delta$$ δ , I should do $$\alpha$$ α , C: therefore, (3) I …

A convincing argument can change a discussant’s commitment regarding the acceptability of a claim, but the same effect can be achieved by examining evidence. Observing objects or events that count as evidence for or against the acceptability of a …

That bootstrapping and Moorean reasoning fail to instantiate persuasive argumentation is an often informally presented but not systematically developed view. In this paper, I will argue that this unpersuasiveness is not determined by principles of …

Argument maps represent some arguments more effectively than others. The goal of this article is to account for that variability, so that those who wish to use argument maps can do so with more foresight. I begin by identifying four properties of …

Public argumentation refers to practices in which people in their public capacity (e.g., as citizens, judges, or politicians) exchange arguments on public issues, and invite audiences to evaluate them from viewpoints that transcend private …

Presuppositions are at the same time a crucial and almost neglected dimension of arguments and fallacies. Arguments involve different types of presuppositions, which can be used for manipulative purposes in distinct ways. However, what are …

The core function of argumentation in a democratic setting must be to constitute a modality for citizens to engage differences of opinion constructively – for the present but also in future exchanges. To enable this function requires acceptance of …

Being able to discriminate poorly justified from well justified arguments is necessary for informed citizenship. However, it is not known whether the ability to recognize argument strength generalizes across different types of arguments, and what …

Argumentation as the public exchange of reasons is widely thought to enhance deliberative interactions that generate and justify reasonable public policies. Adopting an argumentation-theoretic perspective, we survey the norms that should govern …

The aim of the article is to develop precise epistemic rules for good public political arguments, by which political measures in the broad sense are justified. By means of a theory of deliberative democracy, it is substantiated that the …

Arguments may sometimes be advanced with a non-standard function. One such function, it is suggested, is the expression of identity, a practice which may play a significant role in political representation. This paper sets out to examine a number …