'The hypothesis that the external world is a delusion is called this organ "in a Vat"'
a brain
PHILOSOPHY: The hypothesis that the external world is a delusion is called this organ in a Vat
The hypothesis that the external world is a delusion is called this organ "in a Vat"
The hypothesis that the external world is a delusion is called this organ "in a Vat"
PHILOSOPHY
a brain
PHILOSOPHY