|Identity: Two objects are never identical. Identity is a single object, to which may be referred to with two different terms. The fact that two descriptions mean a single object may be discovered only in the course of an investigation._____________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.|
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|Me I 61f
Identity/Menne: one thing. - Equality: two things - equality is predicated with respect to a property - Menne: you can not sensibly speak of the identity of properties -
Identity: one thing occurs under two names.
Equality: predicated by reference to a property.
Identity depends on what is meant by a statement.
Re III 127
Identity / Leibniz: indistinguishability of identical: no problem. - the inversion is problematic: the identity of indiscernibles: no two different things can have all their properties in common - controversial._____________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.
Me I Albert Menne Folgerichtig Denken Darmstadt 1988
HH II Hoyningen-Huene Formale Logik, Stuttgart 1998
Re III Stephen Read Philosophie der Logik Hamburg 1997
Sal IV Wesley C. Salmon Logik Stuttgart 1983
Sai V R.M.Sainsbury Paradoxien Stuttgart 2001