steven0461 comments on Amanda Knox: post mortem - Less Wrong

23 Post author: gwern 20 October 2011 04:10PM

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Comment author: byrnema 21 October 2011 08:38:06PM 0 points [-]

I would say that sending an individual with 13% probability of innocence to jail is clearly wrong, because 1 out of 10 of them would be innocent.

So the premise instead is: adding a 13% innocent population of any subset or category of individuals to jail is clearly wrong

leading to the conclusion: sending an individual with only 87% probability of guilt to jail is wrong

Comment author: steven0461 21 October 2011 08:58:30PM *  1 point [-]

Yes, that's what I meant by what I said. But the problem is that, at least to me, the premise is no more obvious than the conclusion.

Comment author: byrnema 21 October 2011 09:17:35PM 1 point [-]

I see. It's a little more obvious to spell out "more than 1 out of 10 innocent" instead of "only 87% probablity of guilt" but if you see them as immediately equivalent then indeed the argument will do nothing for you.