Will_Sawin comments on Counterfactual Calculation and Observational Knowledge - Less Wrong

11 Post author: Vladimir_Nesov 31 January 2011 04:28PM

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Tags: decision_theory udt counterfactual_calculation

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Comment author: Will_Sawin 02 February 2011 04:10:47PM 0 points [-]

Here's a possible argument.

Assume what you do in the counterfactual is equivalent to what you do in IRL, with even/odd swapped. Then TDT says that choosing in the counterfactual ALSO chooses for you in the real world. So you should choose odd there so that you can choose even in the real world and get it right.

Comment author: Vladimir_Nesov 02 February 2011 04:34:57PM 0 points [-]

Cheating.

Comment author: Will_Sawin 02 February 2011 08:06:20PM 0 points [-]

Create a new version of the problem that eliminates that argument then.

Comment author: Vladimir_Nesov 02 February 2011 08:12:24PM 0 points [-]

It doesn't apply to my version of the problem.

Comment author: Will_Sawin 02 February 2011 08:35:59PM 0 points [-]

Elaborate?

Comment author: Vladimir_Nesov 02 February 2011 09:40:29PM 0 points [-]

"Assume what you do in the counterfactual is equivalent to what you do in IRL, with even/odd swapped" doesn't hold. See this thread.

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