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Wittgenstein’s Annotations to Hardy’s Course of Pure Mathematics

An Investigation of Wittgenstein’s Non-Extensionalist Understanding of the Real Numbers

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  • © 2020

Overview

  • Examines the annotations that Ludwig Wittgenstein made to his copy of G.H. Hardy’s classic textbook, A Course of Pure Mathematics
  • Features images of the annotations
  • Explores Wittgenstein’s later philosophy of mathematics as applied to the real numbers

Part of the book series: Nordic Wittgenstein Studies (NRWS, volume 7)

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Table of contents (9 chapters)

  1. Overview

  2. Analysis of the Annotations

  3. More onWittgenstein and the Real Numbers

  4. Wittgenstein’s Annotations to Hardy

Keywords

About this book

This monograph examines the private annotations that Ludwig Wittgenstein made to his copy of G.H. Hardy’s classic textbook, A Course of Pure Mathematics. Complete with actual images of the annotations, it gives readers a more complete picture of Wittgenstein’s remarks on irrational numbers, which have only been published in an excerpted form and, as a result, have often been unjustly criticized.

The authors first establish the context behind the annotations and discuss the historical role of Hardy’s textbook. They then go on to outline Wittgenstein’s non-extensionalist point of view on real numbers, assessing his manuscripts and published remarks and discussing attitudes in play in the philosophy of mathematics since Dedekind. Next, coverage focuses on the annotations themselves. The discussion encompasses irrational numbers, the law of excluded middle in mathematics and the notion of an “improper picture," the continuum of real numbers, and Wittgenstein’s attitude toward functions and limits.

Reviews

“There are some books that one learns from them what one expected or hoped to learn; but then there are books that go well beyond the brief laid out in their titles, and the book … is one such. Called Wittgenstein’s Annotations to Hardy’s Course of Pure Mathematics, the book is actually an extensive and deeply informed examination of Wittgenstein’s philosophy of mathematics in all of its aspects … .” (Juliette Kennedy, Philosophia Mathematica, Vol. 30 (2), 2022)


“The book is very rich in information for the Wittgenstein scholar as well as for students of Wittgenstein's commentaries on the development of mathematics.” (Michael Otte, Mathematical Reviews, May, 2022)

Authors and Affiliations

  • Department of Philosophy, Boston University Department of Philosophy, Boston, USA

    Juliet Floyd

  • Philosophisches Seminar, Georg-August-Universität Göttingen Philosophisches Seminar, Göttingen, Germany

    Felix Mühlhölzer

About the authors

Juliet Floyd is Professor of Philosophy at Boston University, researching the interplay between logic, mathematics, and philosophy in late nineteenth and early twentieth centuries.  She has written extensively on Wittgenstein, Gödel and Turing and also published articles on Kant, the history of American philosophy, aesthetics, and eighteenth century philosophy. She taught at the City College of New York and the Graduate Center, City University of New York (1990-1996) and has been a Visiting Professor of Philosophy at the University of Vienna (2007) the University of Paris I Panthéon-Sorbonne (2009), the University of Bordeaux 3, Université Michel de Montaigne (2012) and a Fellow of the Dibner Institute at MIT (1998-9) and the Lichtenberg-Kolleg, Georg August University, Göttingen (2009-10). She has received grants from the American Academy in Berlin, the American Council of Learned Societies, the Fulbright Association, the American Philosophical Society, the National Endowment for the Humanities, the C.U.N.Y. Research Foundation, and Wellesley College. Professor Floyd is currently Associate Senior Editor in Twentieth Century Philosophy at the Stanford Encyclopedia of Philosophy.  She has co-edited (with S. Shieh) Future Pasts: The Analytic Tradition in Twentieth Century Philosophy (Oxford, 2001), (with J.E. Katz) Philosophy of Emerging Media: Understanding, Appreciation, Application (Oxford, 2016) and (with A. Bokulich) Philosophical Explorations of the Legacy of Alan Turing; Turing 100 (Springer, forthcoming, Boston Studies in the Philosophy and History of Science).  See http://www.bu.edu/philo/people/faculty/full-time/juliet-floyd/.


Felix Mühlhölzer is Professor of Philosophy at the Georg-August-University of Göttingen since 1997. Before, he taught at the University of Munich from 1989 to 1993 and was Professor of Philosophy of Science and Logic at Dresden University of Technology until 1997. He has published on topics in philosophy of science, especially on space and time, and in philosophy of language. Since 2001 he has written primarily on later Wittgenstein's philosophy of mathematics. His recent works include Braucht die Mathematik eine Grundlegung? Ein Kommentar des Teils III von Wittgensteins "Bemerkungen über die Grundlagen der Mathematik" (2010) and Wissenschaft (2011).He is currently working on a book titled Wittgenstein über Zahlen und Mengen. Mit einem Kommentar des Teils II von Wittgensteins 'Bemerkungen über die Philosophie der Mathematik.

Bibliographic Information

  • Book Title: Wittgenstein’s Annotations to Hardy’s Course of Pure Mathematics

  • Book Subtitle: An Investigation of Wittgenstein’s Non-Extensionalist Understanding of the Real Numbers

  • Authors: Juliet Floyd, Felix Mühlhölzer

  • Series Title: Nordic Wittgenstein Studies

  • DOI: https://doi.org/10.1007/978-3-030-48481-1

  • Publisher: Springer Cham

  • eBook Packages: Religion and Philosophy, Philosophy and Religion (R0)

  • Copyright Information: Springer Nature Switzerland AG 2020

  • Hardcover ISBN: 978-3-030-48480-4Published: 01 September 2020

  • Softcover ISBN: 978-3-030-48483-5Published: 01 September 2021

  • eBook ISBN: 978-3-030-48481-1Published: 31 August 2020

  • Series ISSN: 2520-1514

  • Series E-ISSN: 2520-1522

  • Edition Number: 1

  • Number of Pages: XX, 322

  • Number of Illustrations: 95 b/w illustrations

  • Topics: Philosophy of Mathematics, History of Mathematical Sciences, History of Science

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