JGWeissman comments on No independence of irrelevant alternatives (picture proof) - Less Wrong

7 Post author: Stuart_Armstrong 03 May 2012 05:48PM

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Comment author: JGWeissman 04 May 2012 09:51:50PM 2 points [-]

in fact, it is a Fully General Counterargument to the existence of utility functions with more than one input

No, it's not, because it is not even talking about a utility function with more than one input. It is talking about two completely seperate utility functions. A single utility function with multiple inputs has to include a scaling between the inputs and therefore is not described by Stuart's argument, which exploits the lack of such scaling between two seperate utility functions.