Veritas est adaequatio intellectus et rei

Untersuchungen zur Wahrheitslehre des Thomas von Aquin und zur Kritik Kants an einem überlieferten Wahrheitsbegriff


One of the key doctrines of the philosophy of Thomas Aquinas is his definition of truth as adaequatio intellectus et rei. The aim of this study is to make clear that the medieval doctrine presents the essential meaning of the term 'truth'.
Thomas' doctrine of truth is developed in his Quaestiones disputatae de veritate. Only careful analysis of the first quaestio allows a precise formulation of the classical definition of truth. For only after Thomas' doctrine of truth has been integrated into his ontology and his theory of meaning, can the meanings of adaequatio, intellectus and res be understood.
After reconstructing Thomas' theory of truth, the author turns to Kant's discussion of traditional notions of truth. Kant's doctrine is taken as representative of that of a number of modern thinkers, as he is held to be the founder of the coherence theory of truth (as against the correspondence theory). An analysis of Kant's critique leads to the unexpected realisation that he maintains the classical definition.
The study of selected texts throws light on the much discussed continuity between medieval and modern thought.


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Biographical Note

Gudrun Schulz studied German and Philosophy, and currently works in the Philosophy Department of the University of Cologne.

Table of contents

Vorwort Vorbemerkung I. Einleitung II. Die Transzendentalienlehre des Thomas als Fundament Seiner Wahrheitslehre III. Erkenntnislehre und Wahrheitslehre IV. Kant als Kritiker Uberlieferter Wahrheitslehren und a;s Vertreter einder im Transzendentalphilosophischen Sinne Abgewandelten Korrespondenztheorie der Wahrheit V. Schluss Literatur- und Quellenverzeichnis Register


Specialists in the intellectual history of the Middle Ages.|students and scholars of medieval and modern philosophy.