bokov comments on Counterfactual Mugging - Less Wrong

52 Post author: Vladimir_Nesov 19 March 2009 06:08AM

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Comment author: Vladimir_Nesov 19 March 2009 08:02:08AM *  5 points [-]

There is no alternative self. None at all. The alternative may be impossible according to the laws of physics. It is only present in your imperfect model of the world. You can't trade with a fiction, and you shouldn't emphasize with a fiction. What you decide, you decide in this our real world. You decide that it is right to make a sacrifice, according to your preferences that only live in your model of the world, but speak about the reality.

Comment author: topynate 19 March 2009 08:35:55AM 2 points [-]

I've misunderstood you to an extent, then.

My preferences don't involve me sacrificing unless someone can get hurt. It doesn't matter whether that person exists in another Everett branch, within Omega or in another part of the Tegmark ensemble, but there must be a someone. I'll play symmetrist with everyone else (which is, in a nutshell, what I said in my comment above) but not with myself. You seem to want a person that is me, but minus the "existence" property. I don't think that is a coherent concept.

OK, suppose that Omega came along right now and said to me "I have determined that if you could be persuaded that your actions would have no consequence, and then given the problem you are currently discussing, you would in every case keep $100. Therefore I will torture you endlessly." I would not see this as proof of my irrationality (in the sense of hopelessly failing to achieve my preferences). I don't think that such a sequence of events is germane to the problem as you see it, but I also don't see how it is not germane.