The phenomenon of defeasibility has long been a central theme in legal literature. This essay aims to shed new light on that phenomenon by clarifying some fundamental conceptual issues. First, the most widespread definition of legal defeasibility is examined and criticized. The essay shows that such a definition is poorly constructed, inaccurate and generates many problems. Indeed, the definition hides the close relationship between legal defeasibility and legal interpretation. Second, this essay argues that no new definition is needed. I will (...) show that from an interpretative standpoint, there is nothing special about legal defeasibility. Contrary to what some authors maintain, no unique or privileged source of legal defeasibility exists, nor are there privileged arguments to justify it. Specifically, legal defeasibility refers to interpretative outcomes deriving from interpretative arguments that, on the one hand, are very different from one another, and, on the other, are often employed to justify different interpretative outcomes. In the legal field, the problems related to defeasibility have little in common with the problems that this label covers in other areas—such as logic or epistemology—and they are nothing but the well-known problems related to legal interpretation. In conclusion, this paper argues that as far as legal argumentation is concerned, the notion of legal defeasibility lacks explanatory power, and it should be abandoned. (shrink)

The article develops and justifies, on the basis of the epistemological argumentation theory, two central pieces of the theory of evaluative argumentation interpretation: 1. criteria for recognizing argument types and 2. rules for adding reasons to create ideal arguments. Ad 1: The criteria for identifying argument types are a selection of essential elements from the definitions of the respective argument types. Ad 2: After presenting the general principles for adding reasons (benevolence, authenticity, immanence, optimization), heuristics are proposed for finding missing (...) reasons, for deductive arguments, e.g., semantic tableaux are suggested. (shrink)

In law, the soundness of pragmatic argumentation in which a decision is defended by pointing to the consequences of the application of a particular legal rule, is often disputed. Some legal authors think that it is more of a rhetorical trick than a se rious attempt to convince in a rational way. Others think that it can be an acceptable way to defend a decision, provided that judges make explicit which value judgments underlie their decisions. I will sketch a pragma-dialectical (...) framework for pragmati c argumentation and describe the criteria for sound pragmatic argumentation in a legal context. (shrink)

a This is an outline of a coherence theory of law. Its basic ideas are: reasonable support and weighing of reasons. All the rest is commentary.a (TM) These words at the beginning of the preface of this book perfectly indicate what On Law and Reason is about. It is a theory about the nature of the law which emphasises the role of reason in the law and which refuses to limit the role of reason to the application of deductive logic. (...) In 1989, when the first edition of On Law and Reason appeared, this book was ground breaking for several reasons. It provided a rationalistic theory of the law in the language of analytic philosophy and based on a thorough understanding of the results, including technical ones, of analytic philosophy. That was not an obvious combination at the time of the booka (TM)s first appearance and still is not. The result is an analytical rigor that is usually associated with positivist theories of the law, combined with a philosophical position that is not natural law in a strict sense, but which shares with it the emphasis on the role of reason in determining what the law is. If only for this rare combination, On Law and Reason still deserves careful study. On Law and Reason also foreshadowed and influenced a development in the field of Legal Logic that would take place in the nineties of the 20th century, namely the development of non-monotonic (a defeasiblea (TM)) logics for the analysis of legal reasoning. In the new Introduction to this second edition, this aspect is explored in some more detail. (shrink)

Research using current literature on legal reasoning was conducted with the goals of (a) determining what skills are most important in good legal reasoning according to such literature, (b) determining the extent to which existing Law School Admission Test item types and subtypes are designed to assess those skills, and (c) suggesting test specifications or new or refined item types and formats that could be developed in the future to assess any important skills that appear [by (a) and (b)] to (...) be measured in a limited or minimal way by the current LSAT. So far as can be determined, such systematic research using legal reasoning literature has never been previously conducted. This report presents the findings of this research. (shrink)

This paper argues that Habermas's conception of the rationality of moral and legal discussions has import for argumentation theorists interested in the rationality of public deliberations in politics and law. I begin with a survey of Haber mas's discourse theory and his criteria of rationality for moral and legal discourse. I then explain why, in his view, the forms of rational discourse in morality and law complement each other. My aim is to show how Habermas's account of this complementary relationship (...) opens up fruitful perspectives for argumentation theory. Specifically, his thought can stimulate research regarding, on the one hand, the ways in which legal procedures provide for presumptively rational resolutions of moral disputes and, on the other hand, the applicability of ideal argumentation-theoretic models to the legal field. I conclude with a proposal for integrating Habermas's ideas in a research program for legal argumentation. (shrink)

In The Uses of Argument, Stephen Toulmin proposed a model for the layout of arguments: claim, data, warrant, qualifier, rebuttal, backing. Since then, Toulmin’s model has been appropriated, adapted and extended by researchers in speech communications, philosophy and artificial intelligence. This book assembles the best contemporary reflection in these fields, extending or challenging Toulmin’s ideas in ways that make fresh contributions to the theory of analysing and evaluating arguments.

Este trabajo bosqueja una teoría analítica y realista de la interpretación jurídica. Analítica, en el sentido que su método es el análisis lógico del lenguaje de los juristas. Realista, en el sentido que, por un lado, sostiene que el derecho es indeterminado y, por otro lado, representa la interpretación desarrollada por los jueces como una actividad intrínsecamente discrecional. En la primera parte, se introducen las distinciones fundamentales entre: interpretación “in abstracto” e interpretación “in concreto”; interpretación cognoscitiva, decisoria, y creativa; interpretación (...) en sentido estricto y construcción jurídica. Esta última distinción tiene una importancia especial: la interpretación en sentido estricto consiste en atribuir significado a un texto normativo, mientras que la construcción jurídica consiste en formular normas nuevas, que se pretenden implícitas en el sistema jurídico. En la segunda parte, se analizan, en su estructura lógica, las más difundidas técnicas argumentativas por las cuales los juristas suelen justificar sus operaciones interpretativas y constructivas. (shrink)

Civil wars in England and America were catalysts in forming the jurisprudential views of Thomas Hobbes and Oliver Wendell Holmes Jr. Holmes's pragmatism advances a fundamentally distinct view of order from Hobbes's analytical theory. Holmes replaced the Hobbesian analytical model of law with an endogenous model that assimilates conflict in a process of formal but communal inquiry into discrete types of dispute. Holmes rejected the analytical boundary around law in favor of a holistic fallibilism, which like Dewey's encompasses all inquiry, (...) legal, scientific, aesthetic, and philosophical, under one ontological roof. Holmes also provided a practical critique of ideology, best known from the words of his famous dissent in Lochner v. New York: “The fourteenth amendment does not enact Mr. Herbert Spencer's Social Statics”; or, more to the point, “General propositions do not decide concrete cases.”. (shrink)

This paper examines the concept of coherence and its role in legal reasoning. First, it identifies some problem areas confronting coherence theories of legal reasoning about both disputed questions of fact and disputed questions of law. Second, with a view to solving these problems, it proposes a coherence model of legal reasoning. The main tenet of this coherence model is that a belief about the law and the facts under dispute is justified if it is “optimally coherent,” that is, if (...) it is such that an epistemically responsible legal decision-maker would have accepted it as justified by virtue of its coherence in like circumstances. Last, looking beyond the coherence theory, the paper explores the implications of the version of legal coherentism proposed for a general theory of legal reasoning and rationality. (shrink)

This paper aims to perform a multi-level analysis of the Irish public discourse on Covid-19. Despite widespread agreement that Ireland’s response was rapid and effective, the country’s journey through the pandemic has been no easy ride. In order to contain the virus, the Government’s emergency legislation imposed draconian measures including the detention and isolation of people deemed to be even “a potential source of infection” and a significant extension of An Garda Síochána’s power of arrest. In April 2020, journalists John (...) Waters and Gemma O’Doherty initiated judicial review proceedings before the High Court to challenge such legislation, which they defined as unconstitutional, “disproportionate” and based on “fraudulent science”. The proceedings attracted widespread media coverage in what soon became a debate on the legitimacy of emergency legislation and the notion of ‘fake news’ itself. After a brief survey of the legislative background to Ireland’s Covid response, the argumentative strategy is analysed through which the High Court eventually dismissed Mr Waters and Ms O’Doherty’s challenge. Focusing on the process of justification of the judicial decision, the paper provides a descriptive account of the argument structure of the Court’s decision. This sheds light on the pattern of multiple argumentation through which the Court interpreted relevant norms in the Constitution and at once re-established the primacy of “facts” informing political decision-making at a time of national emergency. (shrink)

In this book, I present the results of an investigation which began with an extended stay at Oxford's Balliol College during the first half of 1995. My visit to Oxford was made possible by a grant from the Spanish Ministerio de Educaci6n y Ciencia. My sincere thanks go to Joseph Raz who served as my supervisor in Oxford. For several points of the present study, conversations with Timothy Endicott in Oxford were also of great help. The book is part of (...) a larger project of investigation, directed by Albert Calsami glia, which is a joint effort of a group of legal philosophers from the Universitat Pom peu Fabra and the Universitat de Girona, and which also receives financial support from the Spanish Ministerio de Educaci6n y Ciencia. An earlier version of the manuscript was presented in June 1996 to the selection committee for a tenured professorship in Legal Philosophy at the Universitat de Girona. The members of the committee were Francisco Laporta, Albert Calsamiglia, Gregorio Peces-Barba, Camilo J. Cela Conde, and Francesca Puigpelat. I am grateful to all of them for their comments, which have been extremely useful in preparing the final ver sion of this book. (shrink)

This article deals with the relation between a theory of law and a theory of legal reasoning. Starting from a close reading of Chapter VII of H. L. A. Hart's The Concept of Law, it claims that a theory of law like Hart's requires a particular theory of legal reasoning, or at least a theory of legal reasoning with some particular characteristics. It then goes on to say that any theory of legal reasoning that satisfies those requirements is highly implausible, (...) and tries to show that this is the reason why not only Hart, but also writers like Neil MacCormick and Joseph Raz have failed to offer a theory of legal reasoning that is compatible with legal positivism as a theory of law. They have faced a choice between an explanation of legal reasoning that is incompatible with the core of legal positivism or else strangely sceptical, insofar as it severs the link between general rules and particular decisions that purport to apply them. (shrink)

In this contribution the prototypical argumentative patterns are discussed in which pragmatic argumentation is used in the context of legal justification in hard cases. First, the function and implementation of pragmatic argumentation in prototypical argumentative patterns in legal justification are addressed. The dialectical function of the different parts of the complex argumentation are explained by characterizing them as argumentative moves that are put forward in reaction to certain forms of critique. Then, on the basis of an exemplary case, the famous (...) Holy Trinity case, the way in which the U.S. Supreme Court uses pragmatic argumentation in this case is discussed by showing how the court instantiates general prototypical argumentative patterns in light of the institutional preconditions of the justification in the context of the specific case. (shrink)

En este trabajo ofrezco un análisis de algunas de las ideas más importantes sostenidas por Ricardo Caracciolo en su ensayo sobre hechos y justifi cación de las decisiones judiciales. Estas tesis son: a) tesis de la aplicación posible. Las normas generales sólo se pueden aplicar a los casos que ellas regulan; b) tesis de la aplicación efectiva. Una norma general es aplicada a un hecho sólo si la premisa que describe ese hecho es verdadera. Este artículo muestra que hay buenas (...) razones para revisar ambas tesis ya que ellas pasan por alto una distinción relevante entre distintos sentidos de ‘casos individual’: casos individuales de un universo del discurso y casos individuales de un caso genérico. Como consecuencia de ello, se señala que es necesario modelar un concepto de justifi cación jurídica que no presuponga a esas mencionadas tesis. (shrink)

The present paper puts forward a first outline of a possible agonistic theory of adjudication, conceived of as an extension of Chantal Mouffe’s agonistic theory of democracy onto the domain of the juridical, and specifically, judicial decision-making. Mouffe’s concept of the political as the dimension of inherent and unalienable conflicts (antagonisms) which, nonetheless, need to be tamed for a pluralist democracy to function, creates an excellent vantage point for a critical theory of adjudication. The paper argues for perceiving all judicial (...) decisions as having a double nature—juridical and political. Cloaked in legal form, judgments nonetheless decide on individual instances of on-going collective conflicts, opposing workers to employers, consumers to traders, tenants to landlords, moral progressives to traditionalists, minorities to majorities and so forth. Judges, when handing down judgments, enjoy a ‘relative sovereignty’, being always already inscribed into the institutional imperatives of the juridical, on one hand, and ideological influences, on the other, but at the same time called upon to decide in the terrain of the undecidable and contingent (after all, law does not ‘apply itself’ on its own). Indeed the determinacy of legal decisions is only relative: in many cases judges can, by performing a sufficient amount of legal interpretive work, reach a conclusion which will be different from theprima facieinterpretation. The collective conflicts of a various nature (economic, ideological, socio-political), once they are juridified, become the object of judicial decisions which, in light of Mouffe’s theory, can be seen as temporary hegemonic fixations. The goal of critical legal scholarship is to destabilise such hegemonies in the name of justice. This can be done not only through an external critique of the law, but also through an internal one. The methodological approach advanced in the latter part of the paper emphasises the need for a critique of judicial decisions based on the consideration of all possible alternative decisions a court could have reached, and their evaluation in the light of conflicting interests and ideologies. (shrink)

¿Cómo justificar la validez jurídica de aquellas normas cuya creación no puede ser evaluada como regular o irregular por apelación a ninguna otra norma jurídica? Entre las respuestas más ilustres a este problema se cuentan la norma fundante kelseniana y la regla de reconocimiento de Hart, pero cada una de esas ideas ha sido objeto de serias críticas. Eugenio Bulygin ha efectuado aportes decisivos en esta discusión: ha advertido que cuando se examina el fundamento último de la validez de las (...) normas jurídicas es preciso discriminar un sentido prescriptivo y uno descriptivo de validez, y que la norma fundante de Kelsen no es sino el producto de una confusión entre ambos; ha resaltado que la regla de reconocimiento debe interpretarse como una regla conceptual que especifica los criterios de identificación de las normas jurídicas, y ha señalado que las normas de competencia no pueden reconstruirse como normas de conducta. Si bien con tales aportes ha sentado las bases para ofrecer una solución, su reconstrucción requiere de ciertas precisiones para poder ser considerada una respuesta enteramente satisfactoria a la pregunta respecto del fundamento último de la validez jurídica. How is it possible to ground the legal validity of those rules whose creation cannot be assessed as regular or irregular by reference to any other legal rule? Kelsen's basic norm and Hart's rule of recognition are among the most famous answers to this question, but both ideas have been seriously challenged. Eugenio Bulygin has made decisive contributions to this discussion. He has shown that in the analysis of the ultimate ground of validity of legal rules, two different senses of validity should be distinguished: a prescriptive and a descriptive sense, and that the Kelsenian basic norm is nothing but the product of confusion between these two different senses. He has also claimed that the rule of recognition has to be understood as a conceptual rule specifying the criteria of identification of legal rules, and those power-conferring rules cannot be interpreted as prescriptive norms of conduct. Although these contributions have provided a basic framework for a possible solution, Bulygin's ideas need a refinement in order to be considered as a satisfactory answer to the question concerning the ultimate ground of legal validity. (shrink)

El propósito principal de este trabajo es presentar un argumento crítico aplicable a aquellas posiciones interpretativistas según las cuales, en la medida en que el objetivo de la teoría jurídica es identificar y explicar conceptos institucionales, es imprescindible asumir la necesidad de un punto de vista interno. Una parte substancial del artículo está dedicada, por una parte, a mostrar la ambigüedad de esta tesis y, por otra, a justificar la distinción entre dos sentidos, uno epistemológico y otro pragmático, en los (...) que las expresiones “punto de vista interno” y “punto de vista externo” pueden ser entendidas. Detectar esta ambigüedad, en primer lugar, permite mostrar diferentes formas de entender los conceptos institucionales. En segundo lugar, hace posible captar un peculiar tipo de indeterminación que afecta a todo discurso referido a las instituciones sociales en general y a las instituciones jurídicas en particular. La tesis central sostenida en este trabajo es que, para identificar y explicar un concepto institucional, la teoría jurídica debe necesariamente adoptar un punto de vista interno en sentido epistemológico, pero no en sentido pragmático. En la parte final del ensayo se sugiere que es posible generalizar la crítica formulada a las posiciones interpretativistas que sostienen indistintamente la necesidad de un punto de vista interno y aplicarla también a aquellas posiciones según las cuales, para identificar y explicar un concepto institucional, debemos necesariamente adoptar un punto de vista externo. La conclusión es que no existe un único método de estudio en la teoría jurídica y, sobre todo, que dicho método depende del modo en el que se configure el objeto de estudio. En este caso, los conceptos institucionales o el contenido de las instituciones jurídicas. (shrink)

The article discusses topics in the context of contemporary legal argumentation. It starts with a sketch of the development of topics from ancient times until the present day. Here the author focuses on the theory of the German legal philosopher Theodor Viehweg, which was most influential to legal argumentation in the 20th century. Then a modern concept of topics is introduced and finally the author discusses the role of topics in contemporary legal argumentation. In this part the distinction between topoi (...) in the weak sense (practically all argumentation schemes) and in the strong sense (specific legal topoi as listed by Gerhard Struck in 1971 is introduced. The author argues that Viehweg’s claim that topics plays an important role in legal argumentation is problematic, because topoi in the weak sense are certainly of high importance, but this is almost trivial. Topoi in the strong sense on the other hand are only of minor importance for legal practice. What characterises legal discourse much more is a set specific pragmatic discourse rules, discussed at the end of the paper. (shrink)

El objetivo de este artículo es hacer una reconstrucción racional del uso del examen de proporcionalidad en contextos de adjudicación judicial de derechos sociales constitucionales. Dicho trabajo de reconstrucción será desarrollado en dos pasos. En primer lugar, se tratará el interrogante referido a si el examen de proporcionalidad en su variante “por omisión” exhibe o no una estructura diferente con respecto a su, mucho más conocida e investigada, variante “por exceso”. En segundo lugar, se describirán las reglas y formas de (...) argumentación que están implícitas en el uso del examen de proporcionalidad por omisión y que componen a sus respectivos sub-exámenes de idoneidad, necesidad y proporcionalidad stricto sensu. Por último, se presentará un breve resumen a modo de conclusión. (shrink)

The paper will discuss the role of the visual in French urban space. It will reveal the close connections between visual and semiotics where the visual dimension is central rather than marginal. We will evaluate altogether the psychological, legal and social impacts of the new shapes of our own environment. Rethinking our public space shapes our identities, unveils the ‘hidden’ powerful discourse behind these new urban models.

Selon une thèse largement partagée, le droit et une pratique sociale et les contributions des participants sont complémentaires les unes des autres. Dans ces conditions, le raisonnement juridique consiste d’abord en une interprétation de ces pratiques et présuppose un point de vue interne de la part de celui qui souhaite en rendre compte. Le raisonnement juridique est ainsi conçu comme une argumentation pratique, subordonnée aux exigences de la rationalité car ceux qui participent à la pratique juridique sont contraints de donner (...) des raisons à leur action et ces raisons tissent un réseau de contraintes. Très séduisante, cette thèse qui doit beaucoup à la critique des réalistes par Hart, n’en demeure pas moins justiciable de quelque critique. (shrink)

In this paper, the author describes a dialogical approach tolegal argumentation from the perspective of argumentationtheory. In a pragma-dialectical approach of legalargumentation, the argumentation is considered to be part of acritical discussion aimed at the rational resolution of thedispute. The author describes how a pragma-dialecticalanalysis and evaluation of legal argumentation can be carriedout.

In this essay, I will engage with the controversy that has sprung up between the proponents of the sharp separation thesis and those of the entanglement thesis. What I will be defending is a variant of the entanglement thesis. By drawing on contemporary action theory and on epistemic conceptualism, I will argue that, while objective facts and practical norms are indeed distinct categories of thought, that distinction does not amount to a conceptual gap—a dichotomy or unbridgeable divide. Their relation, in (...) other words, is not one of logical dualism but one of mere (analytical) distinction between interdependent categories of thinking. Hence the entanglement view on which distinction does not entail dichotomy. (shrink)

Argumentar constituye un quehacer cotidiano para los diferentes operadores jurídicos y, de modo especial, para quienes desempeñan la función judicial. Dado que las decisiones de los jueces están sometidas a un cierto control de racionalidad, es posible concebir las argumentaciones jurídicas empleadas en la aplicación del derecho como un modo institucionalizado de ejercitar la racionalidad práctica. Sin embargo, esto no implica, en contra de lo que a menudo se suele afirmar, que los procesos argumentatívos jurídicos estén sujetos en exclusiva a (...) las leyes de la lógica deductiva. Cabe sostener el carácter racional de la aplicación del derecho sin caer en un logicísmo a ultranza ni en una defensa de las artes de la retórica y de la tópica: ahí está, entre otras, la vía defendida por la teoría discursiva de la argumentación jurídica elaborada por Robert Alexy a partir de presupuestos básicamente habermasianos, así como las correcciones contextualistas de la misma llevadas a cabo por Klaus Günthcr. (shrink)

This essay discusses the developments and trends of research in legalargumentation of the last 25 years. The essay starts with a survey of thevarious approaches which can be distinguished: the logical approach, therhetorical approach, and the dialogical approach. Then it identifies varioustopics in the research, which constitute the various components of aresearch programme of legal argumentation: the philosophical component, thetheoretical component, the reconstruction component, the empiricalcomponent, and the practical component. It concludes with a discussion ofthe main trends in the research (...) of the last 25 years. (shrink)

In all legal systems lawyers and judges appeal to general principles. These principles supposed to be taken from the very grounds of Justice. Accordingly they are presented as setting forth such an argument that it should defeat the opponent’s. In this paper I will be interested in the principle of legal certainty and in how it is is understood in Anglo-Saxon and a Continental legal cultures.