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Single Idea 1387

[filed under theme 16. Persons / D. Continuity of the Self / 2. Mental Continuity / c. Inadequacy of mental continuity ]

Full Idea

Butler thought that Locke's denial of the requirement of identity of substance doomed his analysis of personal identity.

Gist of Idea

Butler thought Locke's theory was doomed once he rejected mental substance

Source

comment on John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.27.25) by John Perry - Introduction to 'Personal Identity' Intro

Book Ref

'Personal Identity', ed/tr. Perry,John [University of California 1975], p.49


A Reaction

Butler seems to have thought that psychological criteria were a slippery slope, whereas substance gives the necessary fixed identity (such as a bishop would require). Personally I say that personal identity is the activity of a physical substance.


The 20 ideas with the same theme [criticisms the Self as continuity of consciousness]:

Two persons might have qualitatively identical consciousnesses, so that isn't enough [Kant on Locke]
Locke's move from substance to consciousness is a slippery slope [Butler on Locke]
Locke implies that each thought has two thinkers - me, and 'my' substance [Merricks on Locke]
No two thoughts at different times can be the same, as they have different beginnings [Locke]
Locke confuses the test for personal identity with the thing itself [Reid on Locke]
If consciousness is interrupted, and we forget our past selves, are we still the same thinking thing? [Locke]
If identity is consciousness, could a person move between bodies or fragment into parts? [Reid on Locke]
Locke's memory theory of identity confuses personal identity with the test for it [Reid on Locke]
Butler thought Locke's theory was doomed once he rejected mental substance [Perry on Locke]
Consciousness presupposes personal identity, so it cannot constitute it [Butler]
Perceptions are distinct, so no connection between them can ever be discovered [Hume]
Memory reveals my past identity - but so does testimony of other witnesses [Reid]
If consciousness is transferable 20 persons can be 1; forgetting implies 1 can be 20 [Reid]
Boy same as young man, young man same as old man, old man not boy, if forgotten! [Reid]
If a stolen horse is identified by similitude, its identity is not therefore merely similitude [Reid]
If consciousness is personal identity, it is continually changing [Reid]
I can only determine my existence in time via external things [Kant]
As balls communicate motion, so substances could communicate consciousness, but not retain identity [Kant]
Temporal gaps in the consciousness of a spirit could not be bridged by memories [Ayer]
We identify persons before identifying conscious states [Carruthers]