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Philosophical Scepticism (Role within epistemology (Aim to undercut our…
Philosophical Scepticism
Brain in a Vat
Connected to my brain is a supercomputer that feeds in the right impulses to generate the illusion of reality as I experience it now
All of my sensory experiences are being produced in my brain by electrical signals from the supercomputer
I am living in a virtual reality, I think this is reality. Therefore I am being deceived.
Sceptical challenge
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If I were a brain in a vat, my experiences would be qualitatively indistinguishable from the experiences I have if I am not
If I am a brain in a vat, all my beliefs about what I experience are false: I have no body
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Role within epistemology
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Doubt based on challenging us to rule out the possibility of very unlikely situations is called hyperbolic doubt
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