Knowledge

Although I can experience feelings of fear, pride, and shame in my dreams, I cannot experience the sensation of sharp pains in my dreams. Right now, I am pinching myself and I am experiencing pain. How does this fail to prove that I am awake?

Comments

If I'm genuinely skeptical about whether I can know I'm awake, then I can't properly take as given the data you cite in your question, namely, that I can experience fear, pride, and shame while dreaming but not sharp pain. Trusting those data would presuppose that I can tell when I'm awake and when I'm dreaming. So the proof would be persuasive only if I can already know when I'm awake, in which case why would I need or seek a proof?

By the same token, however, I can't properly appeal to the convincing dreams I've had in order to conclude that I can't know I'm not dreaming right now. For when I claim that I've had convincing dreams -- i.e., non-waking experiences that I mistook for waking experiences -- I also presuppose that I can tell when I'm awake, which runs counter to the skeptical conclusion of the dream argument.

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