This paper analyses the logical structure of the balancing of conflicting normative arguments, and asks whether non-monotonic logic is adequate to represent this type of legal or practical reasoning. Norm conflicts are often regarded as a field of application for non-monotonic logics. This paper argues, however, that the balancing of normative arguments consists of an act of judgement, not a logical inference, and that models of deductive as well as of defeasible reasoning do not give an adequate account of its (...) structure. Moreover, it argues that as far as the argumentation consists in logical inferences, deductive logic suffices for reconstructing the argumentation from the internal point of view of someone making normative judgements. (shrink)

It will be argued, firstly, that there is a link between the legal validity of a norm and the rational justifiability of a requirement that judges should apply this norm, based on a normative conception of legal validity and the postulate that judges should act as rational persons; secondly, that rational justifiability of legal norms requires the construction of a legal system in a model of principles that differs from theories, e.g., of Kelsen, Hart, Dworkin and Alexy, which are not (...) fully adequate for a normative conception of law. (shrink)

Este libro es el resultado de un conjunto de trabajos que tratan sobre la teoría del derecho de Robert Alexy. Presenté varios de ellos en conferencias o charlas, y en conjunto cubren gran parte de la teoría alexyana. Esto refleja el enorme interés que encuentra esta teoría en particular en Latinoamerica. Dicho interés se justifica, por un lado, por la profundidad y originalidad de su obra desde el punto de vista teórico. Por otro lado, el interés deviene de la observación (...) de la práctica judicial, habiendo sido acogida la concepción de Alexy por la Corte Interamericana de Derechos Humanos y por otras cortes y tribunales superiores de varios países latinoamericanos. En especial, el método de la ponderación de los derechos humanos o fundamentales, tal como fuera formulado por el autor en estudio, es aplicado por varios tribunales y cortes de Latinoamérica. (shrink)

This paper aims at reconstructing Radbruch’s relativistic conception of law within the framework of a model of principles. The idea of relativism remains a disputed issue in current legal and moral philosophy. In spite of the fact that Radbruch’s legal philosophy lacks coherence, it includes elements that resemble modern conceptions of law as a system including principles to be balanced against each other. Therefore, a reconstruction within a model of principles might as well prove the fruitfulness of the model of (...) principles as render a more appropriate theoretical framework for Radbruch’s legal philosophy. After an outline of Radbruch’s relativism, I will discuss some critical points of his approach and, subsequently, present a reconstruction according to the model of principles, which makes plausible at least some of Radbruch’s contentions. (shrink)

According to Robert Alexy’s dual‐nature thesis, “law necessarily comprises both a real or factual dimension and an ideal or critical one.” I will suggest, first, that various dualisms need to be distinguished, in particular the empirical and the normative, the real and the ideal, the formal (procedural) and the substantive; second, that the dualism of the empirical and the normative and, within the latter, of the real and the ideal “ought,” is not specific to law but pertains to any normative (...) system; and, third, that a dualism that distinguishes law from morality is a dualism of formal and substantive principles, which also serves to explain the authoritative character of law. (shrink)

Autonomy is the central idea of modern practical philosophy. Understood as self-legislation, autonomy seems to require that the validity of norms depends on recognition, namely, that their addressees, being autonomous agents, recognise these norms to be valid. But how can one be bound by norms whose validity depends on their being recognised as valid by their addressees? The questions of how autonomous morality and, on this basis, the authoritative character of law can be understood, present persistent puzzles that have been (...) widely discussed, but still await a satisfactory solution. This book presents an analysis of the idea of autonomy as self-legislation and its consequences for law and morality. It links the idea of autonomy with the idea of the balancing of normative arguments, develops a notion of normative arguments as distinct from normative judgements and statements and explains claims to correctness and objectivity that are found in normative discourse. Thus, a 'logic of autonomy' emerges, and it is pervasive in normative reasoning. It connects theses regarding the logic of norms, the structure of balancing, human and fundamental rights, legal validity, legal interpretation, and the relations among legal systems, offering a theory of central elements of normative argumentation, a theory that is undergirded by the mutual relations that exist between and among its parts as well as through the relations that it bears to other theories. Moreover, it offers an alternative to Kantian notions of autonomy and provides solutions to problems that other theories have failed to master. (shrink)