|Property: what can be ascribed to an object in order to distinguish it from other objects. In philosophy, there is debate about whether properties exist or whether "bare particulars" exist. Expressions for properties are predicates. Not every predicate will refer to a property. See also quantification over properties, 2nd order logic, HOL, completeness._____________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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If x is not equal to y, then there must be at least one property by which the two differ. They are distinguished by "occurring together with E" and "not occurring with E". The assumption of identical properties would lead to contradictions (Menne).
(s): the "distinguishing property" should be assigned to both, otherwise only x would be distinguished from y, but not vice versa!
Are features essential? QuineVs - Kripke possibly pro, also Lewis?
Property/Sorites/Vagueness: Gaurisankar in an indefinite way Mt Everest - but: in a certain way Gaurisankar - attributive adjectives: great for mouse/small for elephant - but no vague objects
The fact that Jones has or does not have other qualities can also count as a reason to attribute to him qualities such as courage or cowardice!
_____________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