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The author or concept searched is found in the following 1 entries.
| Disputed term/author/ism | Author |
Entry |
Reference |
|---|---|---|---|
| Logical Constants | Wittgenstein | Hintikka I 139 Logical Constants/Tractatus/Wittgenstein/Hintikka: the structural elements, often referred to as logical constants, and which are the main tool for creating complex sentences from simple ones, are not necessarily needed. I 140 Logical Constants/Wittgenstein/Hintikka: were there is composition, there are argument and function, these are already all logical constants. >Compositionality. Tractatus: 5,441 "Here it becomes clear that "logical objects" and "logical constants" (in the sense of Russell and Frege) do not exist. For: "all results of truth operations with truth functions are identical, which are one and the same truth function of elementary propositions. II 79 Sheffer Stroke/notation/Wittgenstein: makes the internal relation visible. - WittgensteinVsRussell: his writing style does not make clear that p v q follows from p.q. >Sheffer stroke. VI 95/96 Logical Constants/Elementary Proposition/WittgensteinVsTractatus/WittgensteinVsWittgenstein/Schulte: new: priority of a sentence-system compared to single sentences - formerly VsLogical constants - (do not connect any objects, this is still true for Wittgenstein) - but wrong: that the rules have anything to do with the internal structure of sentences. New: they form part of a broader syntax. V 70 WittgensteinVsRussell/Tractatus: 5.4 "logical objects" or "logical constants" in Russell's sense do not exist. IV 71 Logical Constants/Tractatus: 5.441 this disappearance of the apparent logical constant also occurs when "~(Ex) . ~fx" says the same as "(x).fx" or "(Ex).fx.x =a" the same as "fa". IV 79 Logic/Symbol/Sign/Sentence/Tractatus: 5.515 Our symbols must show that what is indicated by "v" "u", etc. (logical constants) must be propositions. (Logical Form). >Propositions, >Symbols. IV 80 "p" and "q" requires even the "v","~" etc.! If the sign "p" in "p v q" does not represent a complex sign, then it cannot make sense on its own. But if "p v p" makes no sense, then "p v q" cannot make sense either. >Sense, >senseless. |
W II L. Wittgenstein Wittgenstein’s Lectures 1930-32, from the notes of John King and Desmond Lee, Oxford 1980 German Edition: Vorlesungen 1930-35 Frankfurt 1989 W III L. Wittgenstein The Blue and Brown Books (BB), Oxford 1958 German Edition: Das Blaue Buch - Eine Philosophische Betrachtung Frankfurt 1984 W IV L. Wittgenstein Tractatus Logico-Philosophicus (TLP), 1922, C.K. Ogden (trans.), London: Routledge & Kegan Paul. Originally published as “Logisch-Philosophische Abhandlung”, in Annalen der Naturphilosophische, XIV (3/4), 1921. German Edition: Tractatus logico-philosophicus Frankfurt/M 1960 Hintikka I Jaakko Hintikka Merrill B. Hintikka Investigating Wittgenstein German Edition: Untersuchungen zu Wittgenstein Frankfurt 1996 Hintikka II Jaakko Hintikka Merrill B. Hintikka The Logic of Epistemology and the Epistemology of Logic Dordrecht 1989 |
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