Titlebook: Wittgenstein’s Pre-Tractatus Writings; Interpretations and Jimmy Plourde,Mathieu Marion Book 2024 The Editor(s) (if applicable) and The Au

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A Path to the ,: From Facts and Forms Through Picturing to Modality,rimitive notion of possibility. I spell out three stages of this philosophical development, starting from criticism of Russell’s multiple-relation theory of judgment, going through the conception of propositions as signifying facts in “Notes on Logic,” to struggles with what Wittgenstein calls the “

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How Does a Tautology Say Nothing?,ity of sense. Two distinct metaphors are operative in shaping this conception of a tautology. First, a proposition is treated on the model of a linear vector and a tautology is conceived as analogous to the null vector. Second, a tautology, being a limiting case of a truth condition, is conceived on

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Analysis of a Conversation on the Sheffer Stroke and WF Schemes between Bertrand Russell and Ludwig of jottings in Russell’s and Wittgenstein’s handwriting on folio 1v of Russell’s paper ‘Matter – The Problem Stated’. A direct comparison with Wittgenstein’s . and preserved letters in the Bertrand Russell Archives suggests 23 April 1913 as the most likely date for such a conversation. In conclusio

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Book 2024how that Wittgenstein’s earliest writings are worth studying for their own sake. They also reveal how much one can still learn about the Tractatus, if we are to study these early writings not as documenting one’s prior interpretation of the Tractatus, but as a series of steps in Wittgenstein’s thoug

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How Does a Tautology Say Nothing?, the model of a degenerate conic section. The assumption that Wittgenstein is oscillating between these two guiding metaphors in the . and pre-. writings enables us to make sense of his otherwise obscure remarks about tautology, contradiction, negation, and sense.

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Analysis of a Conversation on the Sheffer Stroke and WF Schemes between Bertrand Russell and Ludwign, it can be assumed that Wittgenstein developed and used truth-tables at that time, but considered them to be of secondary importance for logic compared to the ab-functions and ab-diagrams developed at the same time. The chapter also presents a facsimile picture of folio 1v.