conchis comments on Counterfactual Mugging - Less Wrong

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

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Comment author: conchis 19 March 2009 10:24:56PM *  7 points [-]

"Perfect knowledge would mean I also knew in advance that the coin would come up tails."

This seems crucial to me.

Given what I know when asked to hand over the $100, I would want to have pre-committed to not pre-committing to hand over the $100 if offered the original bet.

Given what I would know if I were offered the bet before discovering the outcome of the flip I would wish to pre-commit to handing it over.

From which information set I should evaluate this? The information set I am actually at seems the most natural choice, and it also seems to be the one that WINS (at least in this world).

What am I missing?

Comment author: fractalman 21 July 2013 04:10:56AM -2 points [-]

I'll give you the quick and dirty patch for dealing with omega: There is no way to know that, at that moment, you are not inside of his simulation. by giving him the 100$, there is a chance you are tranfering that money from within a simulation-which is about to be terminated-to outside of the simulation, with a nice big multiplier.