Books on Amazon
Event/implication/imply/Lewis: E.g. John says "Hello", but a bit too loud - there may be two descriptions here, in which one implies the other, but not vice versa - but these are not two events. - Even if they were two events, it does not follow that a description of the one and the other specifies the other. - Possibly: the loudness, but not the greeting was caused by John's tension. Important argument: then there are two events that differ, but they are not distinct.
False solution: to assume a very rich essence - then the unit class of a region would count as an event - then all randomly happening events there would merge.
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