Philosophy Lexicon of Arguments

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IV 35
Definition Essence/Lewis: the totality of the being is the average of the key attributes, of those attributes that a thing shares with all and only its own counterparts (CP) - Definition counterpart/Lewis: of something is everything that has (singular, because coextensive) the essential attribute of it - that does not mean that the attribute is the essence of the counterpart! - It does not even have to be an essential attribute of the counterpart - (s) Essence not transitive about worlds.
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V 247
Event/Essence: events have their essence built in: the necessary conditions for their occurrence.
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V 248
E.g. An event is necessarily a change if it is necessary that the event happens in the region when something changes throughout the region - E.g. An event is necessarily a death if it is necessary that the event only occurs in the region when something dies everywhere in the region, and not everywhere in a larger region.
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V 254
Event/Essence/Lewis: E.g. Nero singing while Rome burns. - Fire accidental. - But the singing is necessarily singing. - Conclusion: we cannot find the the essential properties of events through description - they may be accidental.
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V 264
Event/Essence/Lewis: There are no events that significantly involve Socrates. - I.e. which cannot happen in a region that does not contain Socrates or a counterpart of him. - ((s) Counterpart is the solution to the problem: the death of Socrates? - Lewis: counterpart relation: is more of an extrinsic matter. - counterparts are held together by similarity. - It is usually extrinsic. - LewisVsKripke: origin and role are not intrinsical.
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V 265
E.g. Death of Socrates: Being involved in the same region is not sufficient (goblins might also be that), because the counterpart relation is not the same for parts as for the whole - a counterpart of a part is not necessarily a counterpart! - ((s) in a different possible world I could be missing an arm).
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V 266
Lewis: E.g. Death of Socrates: assuming we have a death which involves a particular segment of individuals (whether accidental or essential, if we have one that involves it accidentally, then we have another one that it involves it essentially) - Assuming the segment is in fact part of Socrates, namely accidental. Not all counterparts are parts. - ((s) Socrates might as well have died later). - So now we finally have Socrates involved in his own death in a way that we have bypassed unseemly extrinsic events.
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Schwarz I 54
Possible world/Essential qualities/Kripke/Schwarz: origin is an essential property. - Also biological species.
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Schwarz I 227
Essence/Possibility/Possible worlds/Po.wo./Lewis: thesis: what possibilities there are is not contingent. - You can also not acquire any information about it. - Lewis: for every way how things may be, there must be a possible world - (s) will S5 always automatically apply to them?.

LW I
D. Lewis
Die Identität von Körper und Geist Frankfurt 1989

LW II
D. Lewis
Konventionen Berlin 1975

LW IV
D. Lewis
Philosophical Papers Bd I New York Oxford 1983

LW V
D. Lewis
Philosophical Papers Bd II New York Oxford 1986

LwCl I
Cl. I. Lewis
Mind and the World Order: Outline of a Theory of Knowledge (Dover Books on Western Philosophy) 1991

Schw I
W. Schwarz
David Lewis Bielefeld 2005


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Ed. Martin Schulz, access date 2017-05-30