Psychology Dictionary of Arguments

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Atomic sentence (elementary proposition): represents or depicts a fact. Problem of how facts can be demarcated and separated from each other.

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

Karl Popper on Atomic Sentences - Dictionary of Arguments

I 117
PopperVsWittgenstein/Tractatus: any "meaningful sentence" should be logically reducible to ’elementary propositions’. All meaningful sentences are "images of reality". His sense criterion thus coincides with the demarcation criterion of induction logic. This fails due to the problem of induction.
The positivist radicalism destroyed metaphysics and natural science: the laws of nature are not logically reducible to elementary empirical propositions. >Protocol sentences, >Atomism, > Elementary Sentences, >Induction/Popper.
After Wittgenstein’s criterion of meaning even the laws of nature are meaningless, i.e. not true (legitimate) sentences. This is not a distinction but an identification with metaphysics.

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.

Po I
Karl Popper
The Logic of Scientific Discovery, engl. trnsl. 1959
German Edition:
Grundprobleme der Erkenntnislogik. Zum Problem der Methodenlehre
Wahrheitstheorien, Gunnar Skirbekk, Frankfurt/M. 1977

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