Psychology Dictionary of Arguments

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"There is...," philosophy: it is the question whether the talk that "there is" something is synonymous with the assumption of the existence of the said thing. In contrast to that the existential quantification is the attribution of properties to objects. See also everyday language, existence, existential quantification, existence predicate, existence statements, quantification, attribution, properties, schematic letters.
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Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.

 
Author Concept Summary/Quotes Sources

A. d’Abro on There is (/Existence) - Dictionary of Arguments

A. d'Abro Die Kontroversen über das Wesen der Mathematik 1939 in Kursbuch 8 Mathematik 1967

42
Non-existence/Meinong/d'Abro: since we can truthfully say "something like a round square does not exist," there must be something like a round square, albeit as a non-existent object. At first Russell had not been able to escape this, but in 1905 he discovered a theory of representation, according to which the round square seems to be mentioned when one says: "A round square does not exist." (Principia Mathematica(1))
>Round square
.
43
Existence/d'Abro: in Meinong "exist" and "there is" are used synonymously, but they are not synonyms: exist in the mathematical sense means to contain no contradiction.
>A. Meinong, >"There is"/Meinong.
If one takes Meinong seriously, this is evidence of the inability to think clearly, as in the joke: "Where does the light go when it goes out?".
Thus, a proof of existence for a solution is the finding that no contradiction arises from the assumption of a solution, even if the solution is not yet known.
>Existence, >Assertions of existence, >Proofs, >Provability, >Contradictions,
>Consistency.

1. Whitehead, A.N. and Russel, B. (1910). Principia Mathematica. Cambridge: Cambridge University Press.

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Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments
The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.

d’ Abro I
A. d’ Abro
The Rise of the New Physics Mineola, NY 1951


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