Author: Uri Blass
Date: 03:57:10 09/27/02
Go up one level in this thread
On September 27, 2002 at 06:13:52, Sune Fischer wrote: >On September 27, 2002 at 05:50:42, Rolf Tueschen wrote: >>Very interesting to observe how people argue. In special the methods to prove >>something that should be proved. That alone already justified the topic here in >>the computer chess surroundings. Because it's IMO a traditional weakness in the >>debates about 'strength', ranking lists and 'confidence intervals'. >> >>Here in the debate between Uri and Sune the problem becomes very clear. People >>have a tendence to prove as true what they think to be true. But that proves >>nothing but weak education in science. > >Funny, I was thinking the same thing about you. > >> - Uri makes very clear: "host, who knows what's behind the doors, opens another >>door" - this is exactly what the original question of Mr. Whitaker said. So, >>correctly, Uri makes the conclusion: "This information is not enough to decide >>if you should switch doors. > >Correct, this information is NOT enough, but you were given ADDITIONAL >information! Namely that he opens to a goat! The only way he can do that is if >he knows what's behind the doors, but that is exactly what he does!, it all >fits. > >> It is possible to understand that the host has to >>open a wrong door but it is not clear from the question. > >"You pick a door-;say No. 1-;and the host, who knows what's behind the doors, >opens another door-;say No. 3-;which has a goat" > >None of us are native english speakers, so perhaps we can get a ruling from >someone else. >Does the above quote say if he opens a door or not? > >>If his strategy is >>always to open a door is not clear from the question and the only information >>that we know for sure is that he opened a door." > >No it says he "opens a door", not "opened" a door, so you know for sure that he >will do it always. I can only say that it is possible not to understand the question as always. My first english is not english and I am not sure if opens means always opens. It was possible to ask the question more clearly in order to prevent misunderstanding. Uri
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