Ideas from 'The Unimportance of Identity' by Derek Parfit [1995], by Theme Structure

[found in 'Personal Identity' (ed/tr Martin,R /Barresi,J) [Blackwells 2003,0-0631-23442-x]].

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2. Reason / E. Argument / 7. Thought Experiments

5515	Imaginary cases are good for revealing our beliefs, rather than the truth

7. Existence / C. Structure of Existence / 2. Reduction

5516	Reduction can be by identity, or constitution, or elimination [PG]

16. Persons / D. Continuity of the Self / 1. Identity and the Self

5514	Psychologists are interested in identity as a type of person, but philosophers study numerical identity

16. Persons / D. Continuity of the Self / 2. Mental Continuity / b. Self as mental continuity

5521	If my brain-halves are transplanted into two bodies, I have continuity, and don't need identity

5522	Over a period of time what matters is not that 'I' persist, but that I have psychological continuity

16. Persons / D. Continuity of the Self / 4. Split Consciousness

5519	It is fine to save two dying twins by merging parts of their bodies into one, and identity is irrelevant

5520	If two humans are merged surgically, the new identity is a purely verbal problem

16. Persons / E. Rejecting the Self / 4. Denial of the Self

5518	It doesn't matter whether I exist with half my components replaced (any more than an audio system)