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Part / whole / Nozick: a whole is not equal to the sum: different parts always form another sum, but that may be an equal whole. - A body can lose the appendix or get dentures. - Body remains a whole during the time (identical) - the sum is not identical when parts are replaced. - The self (whole) may even lose memories and change goals and dispositions. - Identity of the parts is not sufficient for continuity of the whole: the relations of the parts could be changed. - whole not equal to sum: scheme of the next successor: the n.c. of the sum is the sum ofthe n.c. of the parts. - But the n.c. of the whole is not the sum of the n.c. of the parts (similar for numbers) - later successor: body, but not the sum of the parts. - Self: is therefore a whole, not a sum. - Whole / criterion: it could also exist if it were made of other parts - II 102 The whole thing must not be a conglomerate.
Philosophical Explanations Oxford 1981
The Nature of Rationality 1994