22 found
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  1.  26
    Defending Wittgenstein.Piotr Dehnel - 2023 - Philosophical Investigations 47 (1):137-149.
    Samuel J. Wheeler defends Wittgenstein's criticism of Cantor's set theory against the objections raised by Hilary Putnam. Putnam claims that Wittgenstein's dismissal of the basic tenets of this set theory concerning the noncountability of the set of real numbers was unfounded and ill‐conceived. In Wheeler's view, Putnam's charges result from his failure to grasp Wittgenstein's intention and, in particular, to consider the difference between empirical and logical impossibility. In my paper, I argue that Wheeler's defence is unsuccessful and, at the (...)
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  2.  37
    Grammar of Infinity. Ludwig Wittgenstein's Critique of Set Theory.Piotr Dehnel - 2023 - Analiza I Egzystencja 63:55-87.
    The paper discusses a relatively underexamined element of Wittgenstein’s philosophy of mathematics associated with his critique of set theory. I outline Wittgenstein’s objections to the theories of Dedekind and Cantor, including the confounding of extension and intension, the faulty definition of the infinite set as infinite extension and the critique of Cantor’s diagonal proof. One of Wittgenstein’s major objections to set theory was that the concept of the size of infinite sets, which Cantor expressed by means of symbols אₒ and (...)
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  3.  27
    Maria Kokoszyńska-Lutmanowa about Wittgenstein in Cambridge (1978).Piotr Dehnel, Carl Humphries & Tomasz Zarębski - 2023 - Nordic Wittgenstein Review 12.
    Maria Kokoszyńska-Lutmanowa (1906-1981) was a Polish philosopher and student of Kazimierz Twardowski, the founder of the Lvov-Warsaw School. In 1938 she went to the University of Cambridge (Newnham College) on a Sarah Smitton Fellowship. There she attended George Edward Moore’s lectures as well as one of Ludwig Wittgenstein’s Lectures on the Foundations of Mathematics in 1939. In this interview which was conducted with Alois Eder she talks about her encounter with Wittgenstein. It was published in 1978 in the Polish art (...)
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  4.  9
    Wittgenstein i eksternalizm.Piotr Dehnel - 2021 - Przeglad Filozoficzny - Nowa Seria:5-25.
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  5.  30
    Wittgenstein and Dostoevsky: Happiness and Subjectivity.Piotr Dehnel - 2021 - Philosophy and Literature 45 (2):470-488.
  6. (1 other version)Antynomie rozumu. Z dziejów filozofii niemieckiej XVIII i XIX wieku.Piotr Dehnel - 2000 - Idea Studia nad strukturą i rozwojem pojęć filozoficznych 12 (12).
     
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  7.  8
    Antynomie rozumu: z dziejów filozofii niemieckiej XVIII i XIX wieku.Piotr Dehnel - 1998 - Wrocław: Wydawn. Uniwersytetu Wrocławskiego.
  8. F.H. Jacobiego krytyka Kanta i jej znaczenie dla współczesnych sporów o realizm.Piotr Dehnel - 2006 - Przeglad Filozoficzny - Nowa Seria 58 (2):97-110.
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  9.  11
    (1 other version)Hegelian Thought in Contemporary Analytic Philosophy.Piotr Dehnel & Bielany Wroclawskie - 2013 - Hegel-Jahrbuch 19 (1):272-278.
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  10. Jak dalece wczesny Wittgenstein był solipsystą?Piotr Dehnel - 2014 - Principia 60.
     
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  11. Kosmogonia immanuela Kanta.Piotr Dehnel - 1998 - Kwartalnik Filozoficzny 26 (2-4).
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  12.  25
    Marek J. Siemek’s Reflections on the Philosophy of Modernity.Piotr Dehnel - 2016 - Dialogue and Universalism 26 (2):181-192.
    The aim of the article is to present Marek Siemek’s interpretation of modernity, focusing on problems related to understanding of the modern subject that arose from the reading of Max Horkheimer and Theodor W. Adorno’s Dialectic of Enlightenment. Siemek seems to endorse a general drive of Habermas’ theory of intersubjective communication intended to overcome the dialectics of Enlightenment and to complete the project of modernity. However, his position is that its foundation can be traced back to the philosophies of Fichte (...)
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  13. O nowej interpretacji Traktatu logiczno-filozoficznego Ludwiga Wittgensteina.Piotr Dehnel - 2011 - Przeglad Filozoficzny - Nowa Seria 78.
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  14. O stosunku Schellinga do teorii wiedzy Fichtego.Piotr Dehnel - 1995 - Principia.
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  15.  6
    Przyroda i historia: studium wczesnej filozofii F.W.J. Schellinga.Piotr Dehnel - 1992 - Wrocław: Wydawn. Uniwersytetu Wrocławskiego.
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  16.  10
    Rozróżnienie mówienia i pokazywania w świetle krytyki koncepcji Russella i Fregego przez wczesnego Wittgensteina.Piotr Dehnel - 2013 - Filozofia Nauki 21 (3 (83)):123-141.
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  17. Spór realizmu i konstruktywizmu w etyce a Heglowska idea walki o uznanie.Piotr Dehnel - 2014 - Przeglad Filozoficzny - Nowa Seria 89.
     
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  18.  44
    The Middle Wittgenstein’s Critique of Frege.Piotr Dehnel - 2020 - International Journal of Philosophical Studies 28 (1):75-95.
    This article aims to analyse Wittgenstein’s 1929–1932 notes concerning Frege’s critique of what is referred to as old formalism in the philosophy of mathematics. Wittgenstein disagreed with Frege’s critique and, in his notes, outlined his own assessment of formalism. First of all, he approvingly foregrounded its mathematics-game comparison and insistence that rules precede the meanings of expressions. In this article, I recount Frege’s critique of formalism and address Wittgenstein’s assessment of it to show that his remarks are not so much (...)
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  19.  12
    The radial method of the Middle Wittgenstein: in the net of language.Piotr Dehnel - 2022 - New York: Bloomsbury Academic.
    Spanning the period between Wittgenstein's return to Cambridge in 1929 and the first version of Philosophical Investigations in 1936, Piotr Dehnel explores the middle stage in Ludwig Wittgenstein's philosophical development and identifies the major issues which engrossed him, including phenomenology, philosophy of mathematics and philosophy of language. Contrary to the dominant perspective, Dehnel argues that this period was intrinsically different from the early and late stages and should not be viewed as a mere transitional phase. The distinctiveness of Wittgenstein's middle (...)
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  20. The Saying/Showing Distinction in the Light of Early Wittgenstein's Criticism of Russell and Frege.Piotr Dehnel - 2013 - Filozofia Nauki 21 (3):123 - +.
  21. To What Extent Was the Early Wittgenstein a Solipsist?Piotr Dehnel - 2015 - Fenomenologia 13:133-142.
  22.  11
    Weryfikacjonizm Wittgensteina.Piotr Dehnel - 2019 - Filozofia Nauki 27 (2):39-57.
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