Vladimir_Nesov comments on Should logical probabilities be updateless too? - Less Wrong

9 Post author: cousin_it 28 March 2012 10:02AM

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Comment author: Vladimir_Nesov 30 March 2012 12:39:50AM 0 points [-]

What do you think of this thread, in particular the part quoted in the last comment?

Comment author: Giles 30 March 2012 01:46:06AM 1 point [-]

The quote was:

I think it's right to cooperate in this thought experiment only to the extent that we accept the impossibility of isolating this thought experiment from its other possible instances

I agree with one direction of implication - if we accept the impossibility of isolating this thought experiment form its other possible instances (e.g. cases with the exact same wording but with paperclips and staples swapped) then it's right to cooperate.

If we don't accept that then I will admit to being confused and have nothing meaningful to say either way. I accept the "least convenient world" principle for when someone suggests a really bizarre thought experiment, but I'm having trouble with the concept of "least convenient set of possible counterfactual worlds". Is this concept worth exploring in its own right?