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Über die Beziehung der begrifflichen Grundlagen der Quantentheorie und der Allgemeinen Relativitätstheorie

In this dissertation the question of the unification of quantum theory and general relativity is treated. Based on the conceptual structure of these theories and under incorporation of certain ideas from classical philosophy there are formulated arguments for the assertion that these two fundamental theories of nature can only be led to a unification in the framework of a description, in which space-time is not presupposed but constituted by a more fundamental physical reality. Under this precondition an own model to derive the mathematical structure of general relativity from a unified quantum field theory of spinors is developed. In addition the quantum theory of fundamental binary logical alternatives, which has been conceived by Carl Friedrich von Weizsäcker in the second half of the twentieth century and in which the existence of physical space and his properties is a consequence of quantum theory, is treated elaborately and considered with respect to the question of the unification of quantum theory and general relativity.