Action is conceived of as an intentional behavior of an individual or of an institutional subject; it is determined by information processing, namely by a process in which pieces of descriptive and practical information are involved. Action is explained by a formal and finalistic theory which is connected with a specific theory of institutions. The philosophical basis of the logic of norm sentences and of other systems of practical thinking (formal teleology, axiology, logic of preferences) is discussed. The author criticizes traditional deontic logic and argues in favor of a genuine logic of norms. The book gives a structure analysis of the so-called practical inference and of nomic causal propositions. Besides a critical account of von Wright's practical philosophy the author offers critical analyses of discourse rationality (Habermas, Apel, Alexy) and of Wittgenstein's views on philosophizing. The book addresses readers interested in philosophical logic, practical philosophy, sociology of institutions, legal philosophy, and theory democracy.

It gives me great pleasure to offer this foreword to the present work of my admired friend and respected colleague Ota Weinberger. Apart from the essays of his which were published in our joint work An Institutional Theory of Law: New Approaches to Legal Positivism in 1986, relatively little of Wein berger's work is available in English. This is the more to be regretted, since his is work of particular interest to jurists of the English-speaking world both in view of its origins and in respect of its content As to its origins, Weinberger war reared as a student of the Pure Theory of Law, a theory which in its Kelsenian form has aroused very great interest and has had considerable influence among anglophoone scholars -perhaps even more than in the Germanic countries. Less well known is the fact that the Pure Theory itself divided into two schools, that of Vienna and that of Brno. It was in the Brno school of Frantisek Weyr that Weinberger's legal theory found its early formation, and perhaps from that early influence one can trace his continuing insistence on the dual character of legal norms -both as genuinely normative and yet at the same time having real social existence."

Action is conceived of as an intentional behavior of an individual or of an institutional subject; it is determined by information processing, namely by a process in which pieces of descriptive and practical information are involved. Action is explained by a formal and finalistic theory which is connected with a specific theory of institutions. The philosophical basis of the logic of norm sentences and of other systems of practical thinking (formal teleology, axiology, logic of preferences) is discussed. The author criticizes traditional deontic logic and argues in favor of a genuine logic of norms. The book gives a structure analysis of the so-called practical inference and of nomic causal propositions. Besides a critical account of von Wright's practical philosophy the author offers critical analyses of discourse rationality (Habermas, Apel, Alexy) and of Wittgenstein's views on philosophizing. The book addresses readers interested in philosophical logic, practical philosophy, sociology of institutions, legal philosophy, and theory democracy.

It gives me great pleasure to offer this foreword to the present work of my admired friend and respected colleague Ota Weinberger. Apart from the essays of his which were published in our joint work An Institutional Theory of Law: New Approaches to Legal Positivism in 1986, relatively little of Wein berger's work is available in English. This is the more to be regretted, since his is work of particular interest to jurists of the English-speaking world both in view of its origins and in respect of its content As to its origins, Weinberger war reared as a student of the Pure Theory of Law, a theory which in its Kelsenian form has aroused very great interest and has had considerable influence among anglophoone scholars -perhaps even more than in the Germanic countries. Less well known is the fact that the Pure Theory itself divided into two schools, that of Vienna and that of Brno. It was in the Brno school of Frantisek Weyr that Weinberger's legal theory found its early formation, and perhaps from that early influence one can trace his continuing insistence on the dual character of legal norms -both as genuinely normative and yet at the same time having real social existence."