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Substance and Function, and Einstein's Theory of Relativity. E-book. Formato PDF Ernst Cassirer   -  Forgotten Books, 2017  - 

The investigations contained in this volume were first prompted by studies in the philosophy oi_ mathematics. In the course of an attempt to comprehend the fundamental conceptions of mathematics from the point of view of logic, it became necessary to analyse more closely the function of the concept itself and to trace it back to its presuppositions. Here, however, a peculiar difficulty arose: the traditional logic of the concept, in its well-known features, proved inadequate even to characterize the problems to which the theory of the principles of mathematics led. It became increasingly evident that exact science had here reached questions for which there existed no precise correlate in the traditional language of formal logic. The content of mathematical knowledge pointed back to a fundamental form of the concept not clearly defined and recognized within logic itself. In particular, investigations concerning the concepts of the series and of the limit, the special results of which, however, could not be included in the general exposition of this book, con firmed this view and led to a renewed analysis of the principles of the construction of concepts in general.