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Object Theory Logic and Mathematics: Two Essays by Ernst Mally

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Presented here are translations of two essays of the Austrian logician, philosopher and experimental psychologist Ernst Mally, originally delivered at the Third International Congress of Philosophy in Heidelberg, Germany. Both essays conclude with discussion between Mally and Kurt Grelling. Mally was a student of Alexius Meinong and a contributor to logical investigations in the field of object theory (Gegenstandstheorie). In these essays, Mally introduces a vital distinction between formal and extra-formal 'determinations' (Bestimmungen), and he argues that formal determinations are not part of the identity conditions for intended objects, but provide the basis for a theory of pure logical and mathematical relations. Mally then proceeds to develop a formal logic of formal and extra-formal determinations, whose interrelations of ontic and modal predications provide an analysis of fundamental object theory concepts.

Document Type: Research Article


Affiliations: Universität Bern, Institut für Philosophie, Länggassstrasse 49a, Switzerland

Publication date: May 1, 2008

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