One of the crucial problems of argumentation schemes as illustrated in (Walton, Reed & Macagno 2008) is their practical use for the purpose of analyzing texts and producing arguments. The high number and the lack of a classification criterion make this instrument extremely difficult to apply practically. The purpose of this paper is to analyze the structure of argumentation schemes and outline a possible criterion of classification based on alternative and mutually-exclusive possibilities. Such a criterion is based not on what (...) an argument is, but how it can be understood and interpreted. The schemes are grouped according to an end-means principle, which is strictly bound to the ontological structure of the conclusion and the premises. On this view, a scheme can be selected according to the intended or reconstructed purpose of an argument and the possible strategies that can be used to achieve it. (shrink)

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 public argumentation and address some of the complexities that scholarly treatments have identified. Our focus is on norms associated with the ideals of correctness and participation as sources of a politically legitimate deliberative outcome. In principle, both ideals are mutually coherent. If the information needed for a correct deliberative (...) outcome is distributed among agents, then maximising participation increases information diversity. But both ideals can also be in tension. If participants lack competence or are prone to biases, a correct deliberative outcome requires limiting participation. The central question for public argumentation, therefore, is how to strike a balance between both ideals. Rather than advocating a preferred normative framework, our main purpose is to illustrate the complexity of this theme. (shrink)

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 justification of a political measure consists in showing argumentatively that this measure most promotes the common good or is morally optimal. It is then discussed which argumentation-theoretical approaches are suitable for providing epistemically sound rules for arguments for such theses and for (...) the associated premises, rules whose compliance implies the truth or acceptability of the thesis. Finally, on the basis of the most suitable approach, namely the epistemological one, such systems of rules for the required types of arguments are presented that fulfil the conditions mentioned. (shrink)

This book contains 20 essays tracing the work of David Zarefsky, a leading North American scholar of argumentation from a rhetorical perspective. The essays cohere around 4 general themes: objectives for studying argumentation rhetorically, approaches to rhetorical study of argumentation, patterns and schemes of rhetorical argumentation, and case studies illustrating the potential of studying argumentation rhetorically. These articles are drawn from across Zarefsky’s 45-year career. Many of these articles originally appeared in publications that are difficult to access today, and this (...) collection brings the reader up to date on the topic. Zarefsky’s scholarship focuses on the role of language in political argumentation, the ways in which argumentation creates public knowledge and belief, the influence of framing and context on what is said and understood, the deployment of particular patterns and schemes of argumentation in public reasoning, and the influence of debate on politics and governance. All these topics are addressed in this book. Each of the conceptual essays includes brief application to specific cases, and five extended case studies are also presented in this volume. The case studies cover different themes: two explore famous political debates, the third focuses on presidential rhetoric across the course of United States history, the fourth on the arguments for liberalism at a time of political polarization, and the fifth on the contemporary effort to engage the United States with the Muslim world. This book is of interest to scholars in the fields of philosophy, logic, law, philosophy of law, and legal history. The range of topics and concepts addressed, the interplay of concepts and cases and the unifying perspective of rhetorical argumentation make this book a valuable read for students of argumentative practice, whether rhetorically or otherwise. (shrink)

Christian Kock’s essays show the essential interconnectedness of practical reasoning, rhetoric and deliberative democracy. They constitute a unique contribution to argumentation theory that draws on – and criticizes – the work of philosophers, rhetoricians, political scientists and other argumentation theorists. It puts rhetoric in the service of modern democracies by drawing attention to the obligations of politicians to articulate arguments and objections that citizens can weigh against each other in their deliberations about possible courses of action.

This volume focuses on dialogue and argumentation in contexts which are marked by truculence and discord. The contributors include well known argumentation scholars who discuss the issues this raises from the point of view of a variety of disciplines and points of view. The authors seek to address theoretically challenging issues in a way that is relevant to both the theory and the practice of argument. The collection brings together selected essays from the 2006 11th Wake Forest University Biennial Argumentation (...) Conference held at Florida Atlantic University in Boca Raton, Florida and the 2012 14th Wake Forest University Biennial Argumentation Conference held at Casa Artom in Venice, Italy. (shrink)

Drawing on insights from contemporary studies on conceptual metaphor and multimodal metaphor, the present study proposes a tentative analysis of multimodal metaphorical argument from the perspective of the extended theory of pragma-dialectics. A case, Liqun Commercial, is presented as an illustration. This commercial proves to use a conceptual metaphor, life is a journey, that underlies a multimodal metaphorical argument. The conceptual metaphor is highly acceptable in the cultural context of the Chinese target audience. Due to the restrictions imposed by the (...) institutional context, the commercial tries to convince the audience by using implicit argumentative means. In this endeavor, multimodal metaphorical argument is used to enhance the commercial’s effectiveness by foregrounding through framing the aspects the protagonist desires to show and by using a strategy to evade sanctions for ignoring institutional constraints. (shrink)

Argumentation is the offspring of logic, dialectic, and rhetoric. Differences among them are matters more of degree than of kind, but each reflects basic underlying assumptions. This essay explicates five key assumptions of rhetorical approaches to argumentation: audience assent is the ultimate measure of an argument’s success or failure; argumentation takes place within a context of uncertainty, both about the subject of the dispute and about the process for conducting the dispute; arguers function as restrained partisans and accept risks that (...) follow from such a status; despite its seemingly adversarial nature, argumentation is fundamentally cooperative, pursuing the shared goal of making the best decision; and argumentation is grounded in the situational context of particular cases. (shrink)

Although political argumentation is not institutionalized in a formal sense, it does have recurrent patterns and characteristics. Its constraints include the absence of time limits, the lack of a clear terminus, heterogeneous audiences, and the assumption that access is open to all. These constraints make creative strategic maneuvering both possible and necessary. Among the common types of strategic maneuvering are changing the subject, modifying the relevant audience, appealing to liberal and conservative presumptions, reframing the argument, using condensation symbols, employing the (...) locus of the irreparable, and argumentative use of figures and tropes. It is difficult to evaluate strategic maneuvering in political argumentation, however, because the activity types dictate wide latitude for the arguers, so there are few cases of unquestionable derailment. (shrink)

Argumentation is generally conceived of as a dialogic activity between two or more participants. Nonetheless, it operates also at an intrapersonal level, in a soliloquy where protagonist and antagonist of the critical discussion are embodied in the same person. We argue this case by analyzing journalists’ argumentation about linguistic choices in newswriting processes. Empirically, we draw on data generated with progression analysis, in particular with cue-based retrospective verbal protocols. The data was produced by the journalists under investigation when they, while (...) watching video recordings of their text production processes, reconstructed and verbalized their decisions. In the detail analysis, we focus on one editorial by an experienced journalist of Corriere del Ticino, the main Italian-language newspaper in Switzerland. (shrink)

Within the framework of pragma-dialectics, this paper analyzes the use of dissociations in the spokespersons’ replies at the press conferences held by the Chinese Ministry of Foreign Affairs between 2015 and 2017. As shown in the research results, to cut down the authority of their opponents in criticizing China and to convince the international general public of the Chinese standpoints, four subtypes of dissociation are used, which can be differentiated as: “distorted” Term I versus “authentic” Term II, “ambiguous” Term I (...) versus “univocal” Term II, “broadened” Term I versus “exact” Term II, and “narrowed” Term I versus “exact” Term II. The strategic maneuvering carried out by the spokespersons in confronting their immediate opponents by means of the various subtypes of dissociation is in the first place directed at their primary audience, i.e. the international general public. To make a convincing case, in using dissociations the spokespersons not only adapt in their strategic maneuvering to the demands of their primary audience but also in their selection from the topical potential and the presentational devices. (shrink)

Most people in countries with the highest climate impact per capita are well aware of the climate crisis and do not deny the science. They worry about climate and have climate engaged attitudes. Still, their greenhouse-gas emissions are often high. How can we understand acting contrary to our knowledge? A simple answer is that we do not want to give up on benefits or compromise our quality of life. However, it is painful to live with discrepancies between knowledge and action. (...) To be able to avoid taking the consequences of our knowledge, we deal with the gap by motivating to ourselves that the action is still acceptable. In this article, we use topical analysis to examine such processes of motivation by looking at the internal deliberation of 399 climate engaged people’s accounts of their reasoning when acting against their own knowledge. We found that these topical processes can be described in at least four different ways which we call rationalization, legitimization, justification and imploration. By focusing on topoi we can make visible how individual forms of reasoning interact with culturally developed values, habits and assumptions in creating enthymemes. We believe that these insights can contribute to understanding the conditions for climate transition communication. (shrink)

As the world has increasingly embraced globalization, temptations to encroach on traditional boundaries of state sovereignty for reasons of self-interest mount. Argumentation studies provide an important lens for examining the public discourse used to justify such moves. This essay examines the Bush administration’s strategic use of the definitional processes of association and dissociation to build its public case for regime change in Afghanistan. After exploring how the Bush administration’s early rhetoric after 9/11 failed to actually provide the Taliban a choice (...) to remain in power, the essay reveals three combinations of the terrorism/state relationship that functioned as an argument by definition to gain support for the US campaign to overthrow the regime. (shrink)

Mercier & Sperber (M&S) argue for their argumentative theory in terms of communicative abilities. Insights can be gained by extending the discussion beyond human reasoning to rodent and robot navigation. The selection of arguments and conclusions that are mutually reinforcing can be cast as a form of abductive reasoning that I argue underlies the construction of cognitive maps in navigation tasks.

Recent theorizing and research concerning the pragmatics of analogy in persuasion posits that it serves two communicative functions. Specifically, rebuttal analogy instrumentally functions as argument and also as a social attack device used to demean the competence or character of opponents. The study reported here empirically investigated message receivers' perceptions of rebuttal analogy users. Participants were exposed to one of four messages employing rebuttal analogy or to one of the same four messages with a nonanalogy version of the rebuttal argument. (...) As anticipated, the findings revealed that participants perceived the communicator employing rebuttal analogy as less ethical and less competent than communicators using nonanalogy counterparts. These results are discussed and future research is proposed. (shrink)

This paper addresses the question: Who or what can have a moral status in the sense that we have direct moral duties to them? It argues for a biocentric answer which ascribes inherent moral status value to all individual living organisms. This position must be defended against an anthropocentric position. The argument from marginal cases propounded by Tom Regan and Peter Singer for this purpose is criticised as defective, and a different argument is proposed. The biocentric position developed here is (...) related to that of Albert Schweitzer and Paul F. Taylor, but rejects their assumption of equal inherent value for all living organisms. It argues instead for equal moral status value for moral persons and agents, and gradual moral status value for nonpersons, depending on their degree of similarity with moral persons. Mary Ann Warren's recent book on Moral Status is also discussed. The argument is constructed as a casuistic argument, proceeding by analogical extension from persons to non-persons. The meta-ethical question of its pragmatic validity is discussed. (shrink)

This article examines argument structures and strategies in pro and con argumentation about the possibility of human-level artificial intelligence (AI) in the near term future. It examines renewed controversy about strong AI that originated in a prominent 1999 book and continued at major conferences and in periodicals, media commentary, and Web-based discussions through 2002. It will be argued that the book made use of implicit, anticipatory refutation to reverse prevailing value hierarchies related to AI. Drawing on Perelman and Olbrechts-Tyteca's (1969) (...) study of refutational argument, this study considers points of contact between opposing arguments that emerged in opposing loci, dissociations, and casuistic reasoning. In particular, it shows how perceptions of AI were reframed and rehabilitated through metaphorical language, reversal of the philosophical pair artificial/natural, appeals to the paradigm case, and use of the loci of quantity and essence. Furthermore, examining responses to the book in subsequent arguments indicates the topoi characteristic of the rhetoric of technology advocacy. (shrink)

“Place” as an argumentative domain, which has been taken for granted and treated by theorists of argumentation simply as a physical notion designating the occasion where an argumentation takes place, carries far more complex meanings beyond its traditionally assumed domain in the following three dimensions: as a geographical locale; as a concept, an idea, a history or a notion with its own disputable narratives and presumptions; and as an imaginative geography. Similarly, an image or a character projected through argumentative discourse (...) should be among the central concerns for argumentation studies, however, limited attention has nevertheless been paid to this traditional face of argument in general and the collective face in particular. We argue that image is a site of discursive production, a symbolic field or a discursively disputable space. The discursive interplay among “place,” “image,” “argument” and “time” offer a new way of thinking about ethotic argument and its key role in the establishment of discursive credibility. (shrink)

“Place” as an argumentative domain, which has been taken for granted and treated by theorists of argumentation simply as a physical notion designating the occasion where an argumentation takes place, carries far more complex meanings beyond its traditionally assumed domain in the following three dimensions: as a geographical locale; as a concept, an idea, a history or a notion with its own disputable narratives and presumptions; and as an imaginative geography. Similarly, an image or a character projected through argumentative discourse (...) should be among the central concerns for argumentation studies, however, limited attention has nevertheless been paid to this traditional face of argument in general and the collective face in particular. We argue that image is a site of discursive production, a symbolic field or a discursively disputable space. The discursive interplay among “place,” “image,” “argument” and “time” offer a new way of thinking about ethotic argument and its key role in the establishment of discursive credibility. (shrink)

Argument invention is a method that can be used to help an arguer find arguments that could be used to prove a claim he needs to defend. The aim of this paper is to show how argumentation systems recently developed in artificial intelligence can be applied to the task of argument invention. One such system called Carneades is featured. Carneades can be used to analyze arguments, evaluate arguments, to make an argument diagram, and to construct arguments from a database. Using (...) some simple examples, the paper explains how Carneades works as a system of argument invention. (shrink)

In this paper we analyze the uses and misuses of argumentation schemes from verbal classification, and show how argument from definition supports argumentation based on argument from verbal classification. The inquiry has inevitably included the broader study of the concept of definition. The paper presents the schemes for argument from classification and for argument from definition, and shows how the latter type of argument so typically supports the former. The problem of analyzing arguments based on classification is framed in a (...) structure that reveals the crucial role it plays in the persuasion process. The survey of the literature includes the work of Hastings, Perelman, Kienpointner and Schiappa, but still finds much of value in Aristotle. Lessons drawn from Aristotle’s Topics are shown to be useful for developing new tools for assessing definitions and arguments from definition. (shrink)

In this paper it is shown how plausible reasoning of the kind illustrated in the ancient Greek example of the weak and strong man can be analyzed and evaluated using a procedure in which the pro evidence is weighed against the con evidence using formal, computational argumentation tools. It is shown by means of this famous example how plausible reasoning is based on an audience’s recognition of situations of a type they are familiar with as normal and comprehensible in their (...) shared common knowledge. The paper extends previous work on this example by using three new multiagent argumentation schemes closely related to the scheme for argument from negative consequences. (shrink)

This paper takes an argumentation approach to find the place of trust in a method for evaluating arguments from expert opinion. The method uses the argumentation scheme for argument from expert opinion along with its matching set of critical questions. It shows how to use this scheme in three formal computational argumentation models that provide tools to analyse and evaluate instances of argument from expert opinion. The paper uses several examples to illustrate the use of these tools. A conclusion of (...) the paper is that from an argumentation point of view, it is better to critically question arguments from expert opinion than to accept or reject them based solely on trust. (shrink)

In some recent cases in Anglo-American law juries ruled contrary to an expert's testimony even though that testimony was never challenged, contradicted or questioned in the trial. These cases are shown to raise some theoretical questions about formal dialogue systems in computational dialectical systems for legal argumentation of the kind recently surveyed by Bench-Capon (1997) and Hage (2000) in this journal. In such systems, there is a burden of proof, meaning that if the respondent questions an argument, the proponent is (...) obliged to offer some support for it give it up. But what should happen in a formal system of dialogue if the proponent puts forward an argument and the respondent fails to critically question it, and simply moves on to another issue? Is this some kind of fault that should have implications? Should it be taken to imply that, by default, the respondent has conceded the argument? What, if anything, should be the outcome of such a failure to question in a formal dialogue system of argumentation? These questions are considered by examining some legal cases of expert opinion testimony in relation rules for formal dialectical argumentation systems. (shrink)

This paper has three dimensions, historical, theoretical and social. The historical dimension is to show how the Ciceronian system of dialectical argumentation served as a precursor to computational models of argumentation schemes such as Araucaria and Carneades. The theoretical dimension is to show concretely how these argumentation schemes reveal the interdependency of rhetoric and logic, and so the interdependency of the normative with the empirical. It does this by identifying points of disagreement in a dialectical format through using argumentation schemes (...) and critical questions. The social dimension is to show how the Ciceronian dialectical viewpoint integrates with the use of computational tools that can be used to support the principle of reason-based deliberation and facilitate deliberative democracy. (shrink)

This paper explains the importance of classifying argumentation schemes, and outlines how schemes are being used in current research in artificial intelligence and computational linguistics on argument mining. It provides a survey of the literature on scheme classification. What are so far generally taken to represent a set of the most widely useful defeasible argumentation schemes are surveyed and explained systematically, including some that are difficult to classify. A new classification system covering these centrally important schemes is built.

This paper explains the importance of classifying argumentation schemes, and outlines how schemes are being used in current research in artificial intelligence and computational linguistics on argument mining. It provides a survey of the literature on scheme classification. What are so far generally taken to represent a set of the most widely useful defeasible argumentation schemes are surveyed and explained systematically, including some that are difficult to classify. A new classification system covering these centrally important schemes is built.

This paper explains the importance of classifying argumentation schemes, and outlines how schemes are being used in current research in artificial intelligence and computational linguistics on argument mining. It provides a survey of the literature on scheme classification. What are so far generally taken to represent a set of the most widely useful defeasible argumentation schemes are surveyed and explained systematically, including some that are difficult to classify. A new classification system covering these centrally important schemes is built.

The aim of this paper is to indicate the systematic place of arguments based on the concept of analogy within the theoretical framework of the Periodic Table of Arguments, a new method for describing and classifying arguments that integrates traditional dialectical accounts of arguments and fallacies and rhetorical accounts of the means of persuasion (logos, ethos, pathos) into a comprehensive framework. The paper begins with an inventory of existing approaches to arguments based on analogy, similarity and adjacent concepts. Then, the (...) theoretical framework of the table will be expounded and several concrete examples of arguments based on these concepts will be analyzed in terms of the framework. Finally, the results of these analyses will be summarized and it will be indicated how they can be refined in further research related to the Periodic Table of Arguments. (shrink)

This article examines the role of the Cambridge Experimentation Review Board in the seven-month moratorium on recombinant DNA research in Cambridge, Massachusetts. The article focuses on CERB's 23 November 1976 debate, which was the turning point in the committee's proceedings. Although CERB members were implicitly charged with making rational decisions, they were inevitably influenced by biases and emotions. In the process of justifying their decisions, however, they were almost exclusively concerned with appeals to reason. This article argues that appeals to (...) emotion and authority are essential and inevitable components of reasonable decision making. It further argues that legitimizing these appeals in the process of justification will make such appeals more accessible to criticism during the process of construction and, thereby, will help us to define which appeals to emotion and authority are appropriate and which are inappropriate in any given context. (shrink)

(1994). Perils of a modern Cassandra: Rhetorical aspects of public indifference to the population explosion. Social Epistemology: Vol. 8, Public Indifference to Population Issues, pp. 221-237.

Booker T. Washington's Cotton States Exposition Address enlarges our understanding of the genre of witnessing by presenting a version of public testimony and historical remembrance sharply at odds with contemporary definitions of the genre. Washington's resolute choice to lend voice as a living witness to the atrocities of slavery in the service of conspicuously pragmatic and narrowly defined interests rather than universal human rights dramatically separates his performance of public witnessing from its late modern forms. Whereas survivors of historical atrocity (...) in the post–World War II era ritually assume the difficult responsibility of testifying to past evils with the greatest possible accuracy, Washington relates the history of slavery—most notably its legacy of heinous human rights abuses—in radically inventive ways. The address demonstrates that those who embody the putative collective voice of subaltern communities may, in particular circumstances, call on the public to willfully forget, rather than somberly remember, the crimes of history. In doing so, the speech also suggests that the ability to bear witness may not automatically result in the ability to petition for equal human rights. (shrink)

Argument schemes are abstractions substantiating the inferential connection between premise(s) and conclusion in argumentative communication. Identifying such conventional patterns of reasoning is essential to the interpretation and evaluation of argumentation. Whether studying argumentation from a theory-driven or data-driven perspective, insight into the actual use of argumentation in communicative practice is essential. Large and reliably annotated corpora of argumentative discourse to quantitatively provide such insight are few and far between. This is all the more true for argument scheme corpora, which tend (...) to suffer from a combination of limited size, poor validation, and the use of ad hoc restricted typologies. In the current paper, we describe the annotation of schemes on the basis of two distinct classifications: Walton’s taxonomy of argument schemes, and Wagemans’ Periodic Table of Arguments. We describe the annotation procedure for each, and the quantitative characteristics of the resulting annotated text corpora. In doing so, we extend the annotation of the preexisting US2016 corpus of televised election debates, resulting in, to the best of our knowledge, the two largest consistently annotated corpora of schemes in argumentative dialogue publicly available. Based on evaluation in terms of inter-annotator agreement, we propose further improvements to the guidelines for annotating schemes: the argument scheme key, and the Argument Type Identification Procedure. (shrink)

This paper describes an approach to legal logic based on the formal analysis of argumentation schemes. Argumentation schemes a notion borrowed from the .eld of argumentation theory - are a kind of generalized rules of inference, in the sense that they express that given certain premises a particular conclusion can be drawn. However, argumentation schemes need not concern strict, abstract, necessarily valid patterns of reasoning, but can be defeasible, concrete and contingently valid, i.e., valid in certain contexts or under certain (...) circumstances. A method is presented to analyze argumentation schemes and it is shown how argumentation schemes can be embedded in a formal model of dialectical argumentation. (shrink)

The inventive, argumentative and stylistic possibilities generated by figures in general and the figure antithesis in particular are explored by Jeanne Fahnestock in the field of science. These ideas on the possibilities of antithesis are developed in the analysis of some cases of this figure in the media. This paper explores how antithesis can consist of textual and visual elements, and how various sorts and degrees of opposition are constructed in the figure.

According to van Eemeren, argumentation theory is a hybrid discipline, because it requires a multidisciplinary, if not interdisciplinary approach, combining descriptive and normative insights. He points out that modern argumentation theorists give substance to the discipline by relying either on a dialectical perspective, concentrating on the reasonableness of argumentation, or on a rhetorical perspective, concentrating on its effectiveness. Both the dialectical and the rhetorical perspective are interpreted in ways related to how they were viewed by Aristotle, but in modern argumentation (...) theory the relationship between the two, captured in Aristotle’s term antistrophos, is lost. According to van Eemeren, this relationship, which he considers crucial to a full-fledged argumentation theory, has been recovered in extended pragma-dialectics with the help of the theoretical notion of ‘strategic manoeuvring.’. (shrink)

Ridicule can be used in order to create concurrence as well as to en-hance antagonism. This paper deals with ridicule that is used by a critic when he is responding to a standpoint or to a reason advanced in support of a standpoint. Ridicule profits from humor’s good repu-tation, and correctly so, even when it is used in argumentative contexts. However, ridicule can be harmful to a discussion. This paper will deal with ridicule from the perspective of strategic maneuvering between (...) the individual rhetorical objec-tive of effecting persuasion and the shared dialectical objective of resolving the dispute on its merits. In what ways can ridicule be used in strategic maneuvering and under what conditions are these uses dialectically sound? (shrink)

To illustrate the development of argumentation theory, the paper traces the journey of the pragma-dialectical theory as it widened its scope, step by step, from an abstract model of critical discussion to the complexities of actual argumentative discourse. It describes how, having contextualized, empiricalized and formalized their approach, pragma-dialecticians are now putting the theory’s analytical instruments to good use in identifying prototypical argumentative patterns in specific communicative activity types in the various communicative domains. This means that they can now start (...) answering the crucial question about the typical characteristics of their discourse asked by interested lawyers, politicians, academics and other practitioners of argumentation. (shrink)

The extended pragma-dialectical argumentation theory assumes that people engaged in argumentative discourse manoeuvre strategically. In argumentative reality, the strategic manoeuvring is often carried out according to an argumentative strategy. Language users make an effort to present their strategic manoeuvres in a specific way and the analysis of the stylistic choices in actual argumentative discourse is the most important basis for identification and analysis of argumentative strategies. In this article, it is shown what requirements must be satisfied by a systematic stylistic (...) analysis of argumentative discourse, and the results of such an analysis are illustrated by means of a case study. (shrink)

The use of ambiguous expressions in argumentative dialogues can lead to misunderstanding and equivocation. Such ambiguities are here called active ambiguities . However, even a normative model of persuasion dialogue ought not to ban active ambiguities altogether, one reason being that it is not always possible to determine beforehand which expressions will prove to be actively ambiguous. Thus, it is proposed that argumentative norms should enable each participant to put forward ambiguity criticisms as well as self-critical ambiguity corrections, inducing them (...) to improve their language if necessary. In order to discourage them from nitpicking and from arriving at excessively high levels of precision, the parties are also provided with devices with which to examine whether the ambiguity corrections or ambiguity criticisms have been appropriate. A formal dialectical system is proposed, in the Hamblin style, that satisfies these and some other philosophical desiderata. (shrink)

Computer-mediated communication (CMC) raises anew traditional questions of truth and trust. Challenges to communicating with truth and trust are exacerbated by qualities of CMC which encourage users to communicate mindlessly, particularly its capacity to evoke a sense of being present to an Other, despite different locations in time or space. Rhetorical presence and dialogic presentness are used to explore the communication dynamics of CMC and delineate some of the challenges of truthful and trustworthy CMC.

In 1958, Chaïm Perelman and Lucie Olbrechts-Tyteca published Traité de l'argumentation: La nouvelle rhétorique, the culmination of many years study. A seminal work in philosophy and rhetoric, it aimed to bring classical Aristotelian rhetoric into the modern era and present a model of argumentation that promoted action and reasonableness. One distinctive feature of the dense account found in this work is the claim that the success of argumentation can in part be measured by the responses of the audience for which (...) it is intended. By that standard, the project of the new rhetoric appears unsuccessful, because the audience for whom Perelman (and Olbrechts-Tyteca) expressly wrote was the audience least captivated by .. (shrink)

In any field, we might expect different features relevant to its understanding and development to receive attention at different times, depending on the stage of that field’s growth and the interests that occupy theorists and even the history of the theorists themselves. In the relatively young life of argumentation theory, at least as it has formed a body of issues with identified research questions, attention has almost naturally been focused on the central concern of the field—arguments. Focus is also given (...) to the nature of arguers and the position of the evaluator, who is often seen as possessing a “God’s-eye view” (Hamblin 1970). Less attention, however, has been paid in the philosophical literature to the .. (shrink)