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Single Idea 2792

[filed under theme 12. Knowledge Sources / E. Direct Knowledge / 4. Memory ]

Full Idea

There is no logical impossibility in the hypothesis that the world sprang into being five minutes ago, exactly as it then was, with a population that "remembered" a wholly unreal past.

Gist of Idea

It is possible the world came into existence five minutes ago, complete with false memories

Source

Bertrand Russell (The Analysis of Mind [1921], p.159)

Book Ref

Russell,Bertrand: 'The Analysis of Mind' [Routledge 1995], p.159


A Reaction

One of the great sceptical arguments! At a stroke it undermines forever any dreams that memories are totally certain. This is an extra scepticism, which arises if you decide that current experience IS totally certain.


The 6 ideas from 'The Analysis of Mind'

In 1921 Russell abandoned sense-data, and the gap between sensation and object [Russell, by Grayling]
Seeing is not in itself knowledge, but is separate from what is seen, such as a patch of colour [Russell]
We cannot assume that the subject actually exists, so we cannot distinguish sensations from sense-data [Russell]
In perception, the self is just a logical fiction demanded by grammar [Russell]
It is possible the world came into existence five minutes ago, complete with false memories [Russell]
Knowledge needs more than a sensitive response; the response must also be appropriate [Russell]