A Generalization of the Cantor-Dedekind Continuum - Roquette, José
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The main purpose of this book is to present a generalization of the Cantor-Dedekind Continuum (the usual real number system) developed from two key concepts: indiscernibility (as a binary relation different from identity) and actual infinitesimal (i.e. infinitesimal considered as a number on equal footing with the other elements of the continuum). The first concept is absent from the Cantor-Dedekind Continuum and the sole actual infinitesimal of this continuum is zero. And yet indiscernibility is an exigence of our intuition of the smooth connection between the constituent parts of the linear…mehr

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Produktbeschreibung
The main purpose of this book is to present a generalization of the Cantor-Dedekind Continuum (the usual real number system) developed from two key concepts: indiscernibility (as a binary relation different from identity) and actual infinitesimal (i.e. infinitesimal considered as a number on equal footing with the other elements of the continuum). The first concept is absent from the Cantor-Dedekind Continuum and the sole actual infinitesimal of this continuum is zero. And yet indiscernibility is an exigence of our intuition of the smooth connection between the constituent parts of the linear continuum when this continuum is considered locally, and physicists and engineers refuse to deprive themselves of the immense heuristic and conceptual advantages of using non-null actual infinitesimals. It is hoped that this book contributes to the disappearance of an error: the widespread belief in the impossible coexistence of non-null actual infinitesimals and Classical (I mean: Usual) Differential Calculus. One simply must think in two modes: the potential mode (in the old continuum) and the actual mode (in the generalization, where no definition of limit is given).
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Autorenporträt
José Roquette earned his Ph.D. in Mathematics from Tecnico-University of Lisbon in 2005, and had previously obtained a B.A. in Physics from Faculdade de Ciencias-University of Lisbon. His research interests are in Logic, Philosophy and Foundations of Mathematics, and Theoretical Physics.