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Wittgenstein is to be credited with the popularization of truth tables (4.31) and truth conditions (4.431) which now constitute the standard semantic analysis of first-order sentential logic. [ 8 ] [ 9 ] The philosophical significance of such a method for Wittgenstein was that it alleviated a confusion, namely the idea that logical inferences ...
Philosophical Investigations (German: Philosophische Untersuchungen) is a work by the philosopher Ludwig Wittgenstein, published posthumously in 1953.. Philosophical Investigations is divided into two parts, consisting of what Wittgenstein calls, in the preface, Bemerkungen, translated by G. E. M. Anscombe as "remarks".
A recurrent theme in Wittgenstein's work is that for some term or utterance to have a sense, it must be conceivable that it be doubted. For Wittgenstein, tautologies do not have sense, do not say anything, and so do not admit of doubt. But furthermore, if any other sort of utterance does not admit of doubt, it must be senseless.
Ludwig Josef Johann Wittgenstein (/ ˈ v ɪ t ɡ ən ʃ t aɪ n,-s t aɪ n / VIT-gən-s(h)tyne, [7] Austrian German: [ˈluːdvɪk ˈjoːsɛf ˈjoːhan ˈvɪtɡn̩ʃtaɪn]; 26 April 1889 – 29 April 1951) was an Austrian philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language.
Wittgenstein clarifies the problem of communicating using a human language when he discusses learning a language by "ostensive defining." For example, if one wanted to teach someone that a pencil was called a "pencil" and pointed to a pencil and said, "pencil," how does the listener know that what one is trying to convey is that the thing in ...
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Kripke expresses doubts in Wittgenstein on Rules and Private Language as to whether Wittgenstein would endorse his interpretation of the Philosophical Investigations. He says that his book should not be read as an attempt to give an accurate summary of Wittgenstein's views, but rather as an account of Wittgenstein's argument "as it struck ...
Fox News host Laura Ingraham says a "real president answers questions" as she reflects on President-elect Donald Trump's openness with the media on "The Ingraham Angle."