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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

Authors: Floyd, Juliet, Mühlhölzer, Felix

  • 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

CFP: International Conference and Graduate Workshops

Call for Paper
International Conference and Graduate Workshops

“Wittgenstein and Feminism: Ordinary Language Philosophy’s Contribution to Feminist Theory and Practice”

Date: March 26th - 27th, 2021

Location: Paris 1 Panthéon-Sorbonne, Paris, France

International Conference and Graduate Workshops
“Wittgenstein and Feminism: Ordinary Language Philosophy’s Contribution to Feminist Theory and Practice”
Organized by Mickaëlle Provost (Paris 1 Panthéon-Sorbonne, France; Conference), Jasmin Trächtler (Bergen Network for Women in Philosophy, University of Bergen, Norway; Conference, Workshops), Sandra Laugier (Paris 1 Panthéon-Sorbonne, France; Conference), and Carlota Salvador Megias (University of Bergen, Norway; Workshops)

Date: March 26th - 27th, 2021
Location: Paris 1 Panthéon-Sorbonne, Paris, France

Caterina Botti (University of Rome — La Spienza, Italy)
Alice Crary (New School for Social Research, New York, USA) Chon Tejedor (University of Valencia, Spain)

Over the past thirty years, we have seen what a rich resource Wittgenstein’s philosophy can be for feminist epistemology and praxis. By emphasizing the myriad ways we use language in different contexts, Wittgenstein’s work encourages its readers to pay attention to the particularities of ordinary, situated uses of language and to the complexities attendant upon our linguistic practices. In fact, Wittgenstein conceived of language itself as a practice, and philosophy’s task as that of describing and making explicit the ways in which language and reality intertwine. Philosophy should not then seek to explain the metaphysical foundations of language, but to clarify the forms of our speech, the functions speech fulfills in different contexts, and the ways in which speech permits people to come together.
For these reasons, Wittgenstein’s philosophy has been a fruitful starting point for a number of developments within feminist thought. Attention to particulars, and an emphasis upon descriptions of ordinary language use, have led to new directions in moral philosophy, among them the ethics of care. (Gilligan, 1982, Baier, 1995; Crary, 2007; Laugier et Paperman, 2006) Wittgenstein’s notions of “forms of life” and “language-games” have been used to reflect upon collective feminist practices, the social construction of subjectivities, and the very fabric of our lived experience. (Shemman et O’Connor, 2002; Das, 2020; Moi 2017). Finally, ordinary language philosophy — a philosophical movement inspired by the later Wittgenstein’s work — has given us the tools to attend to our linguistic practices with an eye to eradicating linguistic sexism, inclusive of inventing new ways of talking about and performing our selfhood. (Gérardin-Laverge, 2018) The utility of Wittgenstein’s work is thus twofold: It helps us, on the one hand, to clarify the particular epistemologies and philosophical methodologies employed by feminist theory; and, on the other, to better grasp political problems tied to our public discourses, discrete acts of speech, and the gendered aspects of our language. It accomplishes this in part by giving us the latitude to be more attentive to lived, embodied experiences of linguistic practice (ex., the tone of voice we use, the rhythm of our speech, our body language, etc.).

The aim of this event is to expand this inquiry while highlighting the Franco-Norwegian exchange on the importance of Wittgenstein’s thought for feminism. In France and Norway, Wittgenstein’s philosophy is used not only to reflect upon feminist methodologies and feminist epistemology, but also to investigate the intersections between language and ideology — their co-construction, as well as language’s subversions, reversals, and refusals of ideology — using a contextualized approach. We will attend to the plurality of feminist readings of Wittgenstein’s later work, their utility to feminist theory and practice, and the tensions that may arise between these and other post-structuralist (Butler 1990, 1997) or materialist approaches (Greco 2018; Marignier 2020) to discourse.

This is a two-part event.
The conference will focus on the following:
1) First, feminist reappropriations of Wittgenstein’s work within moral philosophy and feminist
ethics; how these might relate to the distinction between ethics and politics; and the importance of Wittgenstein’s philosophy as a resource for feminist epistemology.

2) Second, the ways in which Wittgenstein’s philosophy might help us to clarify the ideological (sexist) dimensions of our language; feminist subversions of such language; and linguistic inventions and interventions that undermine or outright undo the relationship between gender and language. This includes everyday dimensions of linguistic practice such as speaking out or being forced to remain silent; the rhythm and tone of one’s voice; the body language attendant upon one’s speech, etc.
3) Third, points of agreement, tension, and revision between these and other approaches to the philosophy of language, such as linguistic phenomenology, post-structuralism, and materialist analyses of discourse. We ask, Is a Wittgensteinian attention to linguistic practice compatible with a conception of language as an ideologically-constructed system of discourse?
Workshops will involve close discussion of pre-circulated papers in small groups, each featuring one of our keynotes. We particularly welcome submissions that touch upon the themes listed for the conference. The Bergen Network for Women in Philosophy has hosted two such workshops in the past — please see this website for more information.

We invite submissions from women and members of all other marginalized gender identities. To apply for the conference, please fill out this form. To apply for the workshops, please fill out this form. For the workshops, we ask that you currently be enrolled in a graduate program (masters or doctorate) or have completed a graduate degree within the past year. This is not a requirement for the conference. You may apply to both the conference and the workshops, but if you do so, we ask that you submit two separate, distinct papers. Papers submitted to the workshops may be works in progress. All submissions must be in English. There is no registration fee.

Applications for both the conference and workshops are due by December 1st, 2020. All successful applicants to the workshops should be ready to submit full papers by February 1st, 2021. There is no such requirement for successful conference applicants. Questions and submissions for the conference should be directed to Mickaëlle Provost () and Jasmin Trächtler (). Questions about the workshops should be directed to Carlota Salvador Megias ().


Two-day International Webinar on “DETERMINACY AND INDETERMINACY IN MEANING: FROM WITTGENSTEIN’S PERSPECTIVES” organized by the Department of Philosophy, University of Gour Banga on 13th & 14th OCTOBER, 2020 [7 pm (IST), 2:30 pm UK Time onwards].
We are extremely delighted to have Professor Daniele Moyal-Sharrock, President of the British Wittgenstein Society as one of the speakers of the webinar. I am sorry to convey about this event so late as our university is having the terminal and supplementary Postgraduate and Undergraduate examinations through online modes, and we are extremely engaged in the process. As a member of the BWS, it is my pleasure to invite you and other members of the society and any interested scholar to this webinar. In case you fail to join at the Google Meet, YouTube links are also provided here. Even if the interested persons are not able to join, we will record the programme and later on will send the YouTube link. The poster and the schedule of the event are attached herewith. WIsh you good health and prosperity.
With warm regards,
Purbayan JhaEmail: CoordinatorDepartment of PhilosophyUniversity of Gour BangaMalda, West Bengal, India, 732103
Google Meet link for Day 1 (13 Oct.)
Google Meet link for Day 2 (14 Oct.)
YouTube link for Day 1 (13 Oct.)
YouTube link for Day 2 (14 Oct.)

Anthem Studies in Wittgenstein


Anthem Studies in Wittgenstein publishes new and classic works on Wittgenstein and Wittgensteinian philosophy. This book series aims to bring Wittgenstein's thought into the mainstream by highlighting its relevance to 21st century concerns. Titles include original monographs, themed edited volumes, forgotten classics, biographical works and books intended to introduce Wittgenstein to the general public. The series is published in association with the British Wittgenstein Society. 

Anthem Studies in Wittgenstein sets out to put in place whatever measures may emerge as necessary in order to carry out the editorial selection process purely on merit and to counter bias on the basis of gender, race, ethnicity, religion, sexual orientation and other characteristics protected by law. These measures include subscribing to the British Philosophical Association/Society for Women in Philosophy (UK) Good Practice Scheme. 

Series Editor 
Constantine Sandis – University of Hertfordshire, UK 

Editorial Board 
Hanne K. Appelqvist – University of Turku, Finland 
Maria Balaska – University of Hertfordshire, UK 
Adrian Brockless – British Wittgenstein Society, UK 
Bill Child – University College, University of Oxford, UK 
David Cockburn – Welsh Philosophical Society, UK 
Juliet Floyd – Boston University, USA 
Hans-Johann Glock – University of Zurich, Switzerland 
Ian Ground – British Wittgenstein Society, UK 
Garry Hagberg – Bard College, USA 
Richard H. Harper – University of Lancaster, UK 
Daniel Hutto – University of Wollongong, Australia 
Edward Kanterian – Kent University, UK 
James C. Klagge – Virginia Tech, USA 
Oskari Kuusela – University of East Anglia, UK 
Sandra Laugier – University of Paris 1, Panthéon-Sorbonne, France 
Mathieu Marion – University of Quebec, Canada 
Ray Monk – University of Southampton, UK 
Daniele Moyal-Sharrock – University of Hertfordshire, UK 
Stephen Mulhall – New College, University of Oxford, UK 
Alois Pichler – University of Bergen, Norway 
John Preston – University of Reading, UK 
Duncan Pritchard – University of California, Irvine, USA 
Genia Schonbaumsfeld – University of Southampton, UK 
Joachim Schulte – University of Zurich, Switzerland 
Severin Schroeder – University of Reading, UK 
Paul Standish – UCL Institute of Education, UK 
Chon Tejedor – University of Valencia, Spain 
Dawn Wilson – University of Hull, UK 
Rachael Wiseman – University of Liverpool, UK 

We welcome submissions of proposals for challenging and original works from emerging and established scholars that meet the criteria of our series. We make prompt editorial decisions. Our titles are published in print and e-book editions and are subject to peer review by recognized authorities in the field. Should you wish to send in a proposal, please contact us at:

Cambridge Elements - Philosophy of Ludwig Wittgenstein

This Cambridge Elements series provides concise and structured introductions to all the central topics in the philosophy of Ludwig Wittgenstein. The Elements in the series are written by distinguished senior scholars and bright junior scholars with relevant expertise, producing balanced and comprehensive coverage of the full range of Wittgenstein’s thought.

Séminaire Wittgenstein 2020-2021

Séminaire Wittgenstein 2020-2021

Retour de la philosophie du langage ordinaire

Organisé par Christiane Chauviré, Bruno Ambroise, Pierre Fasula et Sandra Laugier 

Lieu: Sorbonne, Université Paris 1, UFR de philosophie, 17, rue de la Sorbonne, Paris 5e, escalier C, 1er étage, droite, salle Lalande

Le séminaire Wittgenstein est consacré au retour à l’avant-scène philosophique du XXIe siècle de la « philosophie du langage ordinaire », entendue non seulement comme l’étude de ses acteurs principaux (Wittgenstein, Austin, Hart, Strawson, Ryle, Cavell) mais aussi comme l’élaboration à partir de ces auteurs d’une version d’un paradigme alternatif en philosophie du langage et en théorie des actes de parole. Récemment, des ouvrages (Avner Baz, Sandra Laugier, Toril Moi) et numéros de revue (GFPJ, Inquiry) ont affirmé l’actualité renouvelée des méthodes de Wittgenstein et d’Austin, revenant ainsi sur les critiques de Gellner, Katz, Fodor, Geach, Grice au XXe siècle, mais aussi sur les lectures de Searle et Grice qui ont réduit la théorie des actes de langage à une version de la sémantique. La philosophie du langage ordinaire, longtemps négligée, réapparaît dans de nombreux domaines de recherche dynamiques : droit, critique sociale, études de genre, théorie littéraire et linguistique, économie, arts, études cinématographiques… Et au cœur de la philosophie du langage et de la connaissance, où elle constitue une alternative critique et réaliste à la philosophie analytique et anglophone mainstream.

3 octobre 2020 – 10h30-12h30 – salle Lalande

Mathieu Frèrejouan (Université Paris 1 Panthéon-Sorbonne, ISJPS)

« En marge de l’ordinaire : étrangeté et familiarité des hallucinations »

7 novembre 2020 – 10h30-12h30 – salle Lalande

Jasmin Trächtler (University of Bergen)

« Wittgenstein’s practical problem of other minds »

14 novembre 2020 – 9h30- 17h30 – salle Lalande

Journée d’étude « Kant, l'émotion, la sensibilité »

Organisée par David Zapero avec Alix Cohen (U. Edinburgh)

5 décembre 2020

Journée d’étude « Droit et philosophie du langage ordinaire »

Avec : Bruno Ambroise (CNRS, ISJPS), Gregory Bligh (Paris Est-Créteil), Marie Gren (Paris 1, ISJPS), Ruth Sefton-Green (Paris 1, ISJPS), A. Camby, A. Molines, Nicolas Nayfeld (Paris 1)

9 janvier 2021  – 10h30-12h30 – salle Lalande

Jocelyn Benoist (Université Paris 1 Panthéon-Sorbonne, ISJPS)

« Ordinaire / extraordinaire vs mathématique / extramathématique »

6 février 2021 – 10h30-12h30 – salle Lalande

Piergorgio Donatelli (Université La Sapienza)

« Out of the Ordinary »

6 mars 2021 – 10h30-12h30 – salle Lalande

Maximilian de Gaynesford (Univ. Reading)

« How To Do Things With Attunement: On Poetry and Philosophy »

20 mars  – 10h30-12h30 – salle Lalande

Alice Crary (New School for Social Research, Professeure invitee à Paris 1)


3 avril 2021 – 10h30-12h30 – salle Lalande

Chon Tejedor (Université de Valence)


22 mai 2021 – 10h30-12h30 – salle Lalande

Avner Baz (Tufts University)

« Wittgenstein, Kripke, and the Problem of “The World” in Contemporary Analytic Philosophy »

4-5 juin 2021 – salle Lalande

Journée d’étude « Les méthodes de la philosophie du langage ordinaire »

Avec : Avner Baz, Martin Gustafsson, Nat Hansen, Sandra Laugier,
Jeanne-Marie Roux, Mona Gérardin-Laverge, Layla Raïd, Jean-Philippe Narboux

Renseignements et inscriptions : PIERRE FASULA



We cordially invite submissions for the WITTGENSTEINIANA book series.

WITTGENSTEINIANA is dedicated to the work of Ludwig Wittgenstein, publishing monographs (including outstanding dissertations), topical collections or trenchant essays. Both systematic approaches to Wittgensteins's philosophy and treatises into the historical backgrounds of its formation are covered.

The series, established in 2007, is published by ACADEMIA Verlag Baden Baden, a publishing house of the Beck NOMOS Group. The publishing group's distribution network as well as English, German, French, and Italian as publication languages provide the series with excellent international visibility.

All submissions are reviewed; the editors are assisted by an international advisory board of experts on Wittgenstein's work.

For further information, in particular on the modalities and financing of publication, please contact the editors at


Jens Kertscher (Technical University of Darmstadt) & Jan Müller (University of Basel)



Kirchberg am Wechsel, Austria, August 8–14, 2021

100 Years of Tractatus Logico-Philosophicus –
70 Years after Wittgenstein’s Death: A Critical Assessment

Scientific Organisers:
Alois Pichler (Bergen), Esther Ramharter (Vienna) and Friedrich Stadler (Vienna)


  1. Wittgenstein
  2. Wittgenstein (1889–1951) – Research, editions, and access situation 70 years after his death
  3. Logisch-philosophische Abhandlung and Tractatus Logico-Philosophicus – Genesis, translation, publication, and edition in context
  4. TLP within and outside of Wittgenstein’s work – Interactions, receptions, and controversial interpretations of Wittgenstein’s work up to the present
  5. TLP: Open philosophical, ethical, and scientific questions
  6. Wittgenstein, Schlick, Waismann, and the Vienna Circle – A reassessment


“Wittgenstein: New editions and research tools”
(Organisation: Alois Pichler, Bergen)


Hanne Appelqvist (Helsinki)
Luciano Bazzocchi (Siena)
Michael Beaney (Berlin/Aberdeen)
Anat Biletzki (Quinnipiac)
Anna Boncompagni (Irvine)
Anne-Marie Christensen (Odense)
Annalisa Coliva (Irvine)
James B. Conant (Leipzig)
Mauro Engelmann (Belo Horizonte)
Christian Erbacher (Bergen/Siegen)
Maria Carla Galavotti (Bologna)
Arthur Gibson (Cambridge)
Richard Heinrich (Vienna)
Lars Hertzberg (Åbo)
Herbert Hrachovec (Vienna)
Allan Janik (Innsbruck)
Wolfgang Kienzler (Jena)
James Klagge (Blacksburg)
Oskari Kuusela (East Anglia)
Jakub Mácha (Brno)
Stefan Majetschak (Kassel)
Dejan Makovec (Pittsburgh)
Cheryl Misak (Toronto)
Daniele Moyal-Sharrock (Hertfordshire)
Gabriele Mras (Vienna)
Michael Nedo (Cambridge)
Martin Pilch (Vienna)
John Preston (Reading)
Victor Rodych (Lethbridge)
Alfred Schmidt (Vienna)
Genia Schönbaumsfeld (Southampton)
Joachim Schulte (Zurich)
Radek Schuster (Pilsen)
Anne Siegetsleitner (Innsbruck)
Jonathan Smith (Cambridge)
Ilse Somavilla (Innsbruck)
Antonia Soulez (Paris)
David G. Stern (Iowa)
Susan G. Sterrett (Wichita State)
Thomas Uebel (Manchester)
Sarah Uffelmann (Bergen/Munich)
Nuno Venturinha (Lissabon)
Thomas Wallgren (Helsinki)
Joseph Wang (Innsbruck)
Anja Weiberg (Vienna)

Deadline for submission of papers (to section 1–6):
March 31, 2021
(Instructions for authors:

Wittgenstein, Nature, and Religion

Wittgenstein, Nature, and Religion

2nd ERB Project Workshop

Nova Institute of Philosophy (IFILNOVA)

Faculty of Social Sciences and Humanities – Nova University of Lisbon (NOVA FCSH)

29 July 2020 

Is it right to think, as Daniel Dennett does, of religion as a natural phenomenon? Is religion to be explained in terms of evolutionary theory and cognitive science? Or should we perhaps explain it in cultural, economic, or philosophical terms? Are each of these kinds of explanations of religion legitimate? Are they in competition with each other? These are the kinds of questions that we hope to shed some light on in our Zoom workshop by examining cognitive science of religion and naturalistic understandings of religion in the light of Wittgenstein’s work.


09:15 – 09:30   Nuno Venturinha (Nova University of Lisbon) and Sofia Miguens (University of Porto)


09:30 – 10:15   Robert Vinten (Nova University of Lisbon)

A Wittgensteinian Critique of Cognitive Science of Religion

10:15 – 11:00   Alexandra Dias Fortes (Nova University of Lisbon)

‘From a Religious Point of View’: Wittgenstein on Nature and Belief

11:00 – 11:30   Break

11:30 – 12:30   Modesto Gómez Alonso (University of La Laguna)

Wittgenstein, Religious Belief, and Human Agency     

12:30 – 13:30   Break

13:30 – 14:30   Thomas D. Carroll (The Chinese University of Hong Kong, Shenzhen)

Wittgenstein, Naturalism, and Interpreting Religious Phenomena

14:30 – 15:00   Break

15:00 – 16:00   Gorazd Andrejč (University of Groningen / University of Cambridge)

                         Wittgenstein, Religion, and Posthumanism

16:00 – 16:30   Break

16:30 – 17:30   Guy Axtell (Radford University)

Natural Thoughts and Unnatural Oughts: Wittgenstein, Faith, and the Inescapability of Inductive Normativity

17:30 – 18:00   Break

18:00 – 19:00   Duncan Pritchard (University of California, Irvine / University of Edinburgh)

                          Exploring Quasi-Fideism

This workshop is organized by Nuno Venturinha, Sofia Miguens and Robert Vinten within the framework of the FCT-funded project “Epistemology of Religious Belief: Wittgenstein, Grammar and the Contemporary World” (PTDC/FER-FIL/32203/2017), hosted by the Reasoning and Argumentation Laboratory (ArgLab) of IFILNOVA.

Attendance is free of charge. Please contact Robert Vinten at  for details of the Zoom workshop if you would like to attend.For more information about the project, please visit:

Now in paperback

Wittgenstein Famiy Letters

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