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Single Idea 2047

[catalogued under 13. Knowledge Criteria / D. Scepticism / 5. Dream Scepticism]

Full Idea

What evidence could be brought if we were asked at this very moment whether we are asleep and are dreaming all our thoughts?

Gist of Idea

What evidence can be brought to show whether we are dreaming or not?


Plato (Theaetetus [c.368 BCE], 158b)

Book Reference

Plato: 'Theaetetus', ed/tr. Waterfield,Robin [Penguin 1987], p.42