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Change/changing/event/Lewis: Not all events involve change. We cannot afford to count the constancies (Nonchanges) as non-events. - They are needed in the causal explanation. - E.g. atomic decay: abrupt change, consists of constancies. - The causal story that explains the decay is without changes. - Constancy: is needed to explain the memory, perception, existence in time ((s) co-existence). - Lewis: the terminology is not critical again.
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