# Psychology Dictionary of Arguments

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Author Concept Summary/Quotes Sources

Bertrand Russell on Individuals - Dictionary of Arguments

V ~ 38
Def Individuals/Russell: constructions of sense-data or sense experience - (is irrelevant for logic).
>Sense data, >Sensory impression.
- - -
I 53
Unit set/ Frege/Peano/RussellVsQuine: unequal Individual: "i'x" the class whose only element is x" so: i'x = y^ (y = x) : "the class of objects identical to x".
>Unit set, >Def "One".
I 74
Def Individuen/Principia Mathematica(1)/Writing/Russell: Items that are neither propositions nor functions. Letters: a, b, c, x, y, z, w
>Proposition, >Function.
>Numbers/Frege.
I 132
Def Individuen/Principia Mathematica/Russell: a term that can occur in any set of atoms.
Def Universal/Principia Mathematica/Russell: Term that occurs like the R. (In R1 (x) R2 (x,y) R3 (x,y,z) R4 (x,y,z,w)...

1. Whitehead, A.N. and Russel, B. (1910). Principia Mathematica. Cambridge: Cambridge University Press.
- - -
III 127
Def Absolutely simple individuals / Russell: are unchangeable, but not necessarily of eternal duration.
Def Individuen/Russell: are completely independent from each other and their names are actual names and vice versa.
- - -
VI 77
Knowledge/Existence/Russell: sometimes you know the truth of an existential statement without being able to give an example: They know that there are people in Timbuktu.
This shows that existential statements do not say anything about a particular individual, but only about a class or function.
>Existence statement.
VI 80
Identification/Russell: an identification does not necessarily have to describe an individual, it can also be a predicate, a relation or something else.
>Description, >Predicate, >Relation.

_____________
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.

Russell I
Principia Mathematica Frankfurt 1986

Russell II
B. Russell
The ABC of Relativity, London 1958, 1969
German Edition:
Das ABC der Relativitätstheorie Frankfurt 1989

Russell IV
B. Russell
The Problems of Philosophy, Oxford 1912
German Edition:
Probleme der Philosophie Frankfurt 1967

Russell VI
B. Russell
"The Philosophy of Logical Atomism", in: B. Russell, Logic and KNowledge, ed. R. Ch. Marsh, London 1956, pp. 200-202
German Edition:
Die Philosophie des logischen Atomismus
In
Eigennamen, U. Wolf (Hg), Frankfurt 1993

Russell VII
B. Russell
On the Nature of Truth and Falsehood, in: B. Russell, The Problems of Philosophy, Oxford 1912 - Dt. "Wahrheit und Falschheit"
In
Wahrheitstheorien, G. Skirbekk (Hg), Frankfurt 1996

> Counter arguments against Russell