
…werful demon, or a benign chair-body in the world, or a complex computer program, or anything else. The perception, considered…werful demon, or a benign chair-body in the world, or a complex computer program, or anything else. The perception, considered in itself, has an immediacy that an inference or deduction based on it, no matter how ‘intuitive and swift’, does not.
-immediat…ose modes he has listed, is discovered through the process of radical doubt (a subtractive method). Its nature, then, needs to have this immediacy because any non-immediate (mediated), seemingly mental mode can be doubted. For example, when I perceive a chair here it very quickly suggests to me the belief that there is a…