Philosophy Lexicon of Arguments

Author Item Excerpt Meta data
Russell, Bertrand
Books on Amazon:
Bertrand Russell
Identity Prior I 163
Identity/Russell: "a=a" "the a is the a" is false if there is no a or if there are multiple a - Def self-identity/Russell: nevertheless Russell’s Law "x = x" is part of his system - "For some (any) f if x ft, then ft x" - if we define individual existence as Lesniewkian self-identity, then it comes out at a class which must be regarded as a class of one and which can be predicted from some, but not from all classes
- - -
R I 58
Identity/Principia Mathematica/Russell: no judgment! E.g. we do not judge that Socrates = Socrates. - In a way, we judge an ambiguous case of propositional function (propositional function) "A is A".
A propos I 111f
Containment/Identity/Element relations/Equal sign/Epsilon/Principia Mathematica/(s): therefore containment must not be the same as identity, otherwise from the right
i'x = i'x
follows the wrong
i'x ε i'x
i.e., a class may not be the identical with its (perhaps only) element.

B. Russell/A.N. Whitehead
Principia Mathematica Frankfurt 1986

B. Russell
Das ABC der Relativitätstheorie Frankfurt 1989

B. Russell
Probleme der Philosophie Frankfurt 1967

B. Russell
Die Philosophie des logischen Atomismus
Eigennamen, U. Wolf (Hg), Frankfurt 1993

B. Russell
Wahrheit und Falschheit
Wahrheitstheorien, G. Skirbekk (Hg), Frankfurt 1996

Pri I
A. Prior
Objects of thought Oxford 1971

Pri II
Arthur N. Prior
Papers on Time and Tense 2nd Edition Oxford 2003

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Ed. Martin Schulz, access date 2017-04-25