The Same Person.

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Time line from earlier to later times



T1									T2

P is the same person at T1 and T2 if

1. Same soul
2. Same body
3. Same soul and same body

Personal Identity

Suppose #1 and #2 give the same answer. Then appeal to #3 redundant.

Imagine, however, that #1 and #2 give different answer. How then do we choose?

What argument would be relevant?

If different criteria of personal identity give different answers, how do we define our concept of personal identity?