
The non-identity problem | Derek Parfit | EAGxOxford 2016
EA Talks
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Same Number Cases - The Hardest Question
There are three possibilities in these outcomes, either the same people would exist, or the same number would exist. Of these three kinds of case, different number cases raise the hardest questions. Some of these questions can be partly answered if we first consider and compare the other two kinds of case. As our first same number case, we can suppose that claire knows that if she conceived some child now, this child would have the same disease and would live to only 14. If claire waits for two months, she would later conceive a child who would not have this disease and who wuld live to 80. This case challenges the strong narrow person affecting principles.
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