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army1987 comments on Open thread, September 2-8, 2013 - Less Wrong Discussion

0 Post author: David_Gerard 02 September 2013 02:07PM

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Comment author: niceguyanon 03 September 2013 05:24:54PM 5 points [-]

Is there a name for, taking someone being wrong on A as evidence as being wrong on B? Is this a generally sound heuristic to have? In the case of crank magnetism; should I take someone's crank ideas, as evidence against an idea that is new and unfamiliar to me?

Comment author: [deleted] 04 September 2013 06:34:32PM 1 point [-]

Yes, but in many cases it's very weak evidence. Overweighing it leads to the “reversed stupidity” failure mode.