Philosophy Lexicon of Arguments

Disjunction: linking two or more statements by an inclusive "or". The disjunction is only false when all disjuncts are false. Notation v. See also adjunction, alternation, conjunction, compound sentences.
Author Item Excerpt Meta data
Lewis, David
Books on Amazon
Disjunction V 191
Disjunction/Lewis: each event can be described as a disjunction. But Go-or-talk that cannot be taken as the cause.
V 212
Disjunction/events/Lewis: an event cannot be disjunction of events, because then the (double) event would always have to occur in every region where one or the other disjunct occurs, i.e. it would have to happen twice in a possible world - impossible.
V 263
Events not disjunctive when different definitions are possible, but then the event still does not consist in their disjunction.
V 266
Definition disjunction of events/Lewis: e is a disjunction of events f1, f2 .. iff. e necessarily occurs in a region, iff. either f1 or f2 or... occurs here - as a set the disjunction is simply the unification - some events are disjunctions of other events - e.g. stamping - of left and right foot - the disjuncts must not vary too much - the disjunctions as a whole are in non-causal counterfactual dependence on their referents, the disjuncts - without one, the whole thing would not be - but the individual disjuncts are not in this counterfactual dependence - disjunction: not based on different definitions - E.g. Disposition: Breaking of the window could be caused by many things - none of the possible events is significantly associated with the fragility - if there are no extrinsic disjunctive events, there may still be disjunctive truths - and this can be explained causally.

D. Lewis
Die Identität von Körper und Geist Frankfurt 1989

D. Lewis
Konventionen Berlin 1975

D. Lewis
Philosophical Papers Bd I New York Oxford 1983

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

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Ed. Martin Schulz, access date 2017-03-24