7110
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If the 'I' is transcendental, it unnecessarily splits consciousness in two
[Sartre]
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Full Idea:
The superfluous transcendental 'I' is actually a hindrance. If it existed, it would violently separate consciousness from itself, it would divide it, slicing through consciousness like an opaque blade.
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From:
Jean-Paul Sartre (Transcendence of the Ego [1937], I (A))
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A reaction:
I see no a priori reason why consciousness should not be split in two, if that's how it is. Personally I am happy with a fairly traditional Cartesian view, that the self is the will and understanding, and the rest of consciousness is its working material.
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1392
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If we split like amoeba, we would be two people, neither of them being us
[Parfit]
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Full Idea:
In the case of the man who, like an amoeba, divides….we can suggest that he survives as two different people without implying that he is those people.
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From:
Derek Parfit (Personal Identity [1971], §1)
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A reaction:
Maybe an amoeba is a homogeneous substance for which splitting is insignificant, but when a person has certain parts that are totally crucial, splitting them is catastrophic, and quite different. I'm not sure that splitting a self would leave persons.
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5519
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It is fine to save two dying twins by merging parts of their bodies into one, and identity is irrelevant
[Parfit]
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Full Idea:
If I am largely paralysed, and my twin brother is dying of brain disease, then if the operation to graft my head onto his body is offered, I should accept the operation, and it is irrelevant whether this person would be me.
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From:
Derek Parfit (The Unimportance of Identity [1995], p.308)
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A reaction:
Parfit notes that the brain is a particularly significant part of the process. The fact that I might cheerfully accept this offer without philosophical worries doesn't get rid of the question 'who is this person?' Who should they remain married to?
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5520
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If two humans are merged surgically, the new identity is a purely verbal problem
[Parfit]
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Full Idea:
If there is someone with my head and my brother's body, it is a merely verbal question whether that person will be me, and that is why, even if it won't be me, that doesn't matter. ..What matters is not identity, but the facts of which identity consists.
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From:
Derek Parfit (The Unimportance of Identity [1995], p.310)
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A reaction:
It strikes me that from the subjective psychological point of view identity is of little interest, but from the objective external viewpoint (e.g. the forensic one) such questions are highly significant, and rightly so.
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