|Sum, mereological: mereology is the theory that examines the relationship of parts and totals. A mereological sum is not identical with a whole; it can be formed from parts of different individuals. According to P. Simons (Simons, “Parts. A Study in Ontology”, Oxford, 1987, p. 3), a mereological sum results from the idea of a family of objects that are maximally connected under a particular relation. This definition does not always coincide with the smallest upper bound. (Simons, p. 12). See also complexes, whole, totality, parts, part-of-relation, mereology, barrier._____________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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Mereological sum/set/individual/Lewis: a mereological sum is a (possible) individual. - No set! - E.g. twins Dee and Dum in the actual world.
Mereological sum/Lewis: no disjunction. - Disjunction: Elements of a set: a v b v c .._____________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.
Die Identität von Körper und Geist Frankfurt 1989
Konventionen Berlin 1975
Philosophical Papers Bd I New York Oxford 1983
Philosophical Papers Bd II New York Oxford 1986
Cl. I. Lewis
Mind and the World Order: Outline of a Theory of Knowledge (Dover Books on Western Philosophy) 1991