No, it doesn’t actually prove that. Presumably even if my personality radically shifted in the interim, whoever I (or "that person) felt like I/it was, Iit would still call my/itself “I”.
And in any case, even in so far as my personality did undergo some radical change, there are still perfectly sensible physical reason to speak of a persistent sense of self rooted in the continued existence of certain physiological brain-and-body structures and activities, which have not been altered substantially enough to have destroyed this sense of identity.
Presumably even if those structures were fundamentally altered, they would still speak of themselves as “I”.
In other words, the three statements above reveal your conviction that you are describing the history of one and the same person .
Yes and I’m giving a physical explanation for that fact. The persistence of certain physical brain and body structures and processes.
You are not a succession of existence pixels popping out from nothing.
I don’t see why I would need to be.
Mental and physical changes may enhance your capabilities but do not change your personal identity.
What does that even mean? What would a changed personal identity even be like? Would that person not still identify as itself?
This is crucial for defining coherently property rights: So for instance, if today you were no longer the son of your parents, you would not be entitled to be their heir.
Being the son of my parents has nothing to do with my sense of self. There are historical and biological ways to demonstrate that connection regardless of what person I might feel like I am. It is noteworthy that personal identity isn’t actually settled by what people say they feel like, but by what they can show with physical evidence. Historical records, DNA tests, documents of identification and so on.
I know that Hollywood has made something of a dollarcow out of movies that speculate on things like exchanged identity, with different people switching their “minds” to different bodies. But they’re fiction, it doesn’t actually happen in reality.
"You honor I just don’t feel like that child’s father, so I just can’t be responsible for paying child support. "