structure for 'Knowledge Criteria'    |     alphabetical list of themes    |     expand these ideas

13. Knowledge Criteria / D. Scepticism / 4. Demon Scepticism

[experience is virtual reality from demon/scientist]

3 ideas
God may have created nothing, but made his creation appear to me as it does now [Descartes]
To achieve full scepticism, I imagine a devil who deceives me about the external world and my own body and senses [Descartes]
An evil scientist may give you a momentary life, with totally false memories [Unger]