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Topic: Maximisation problem
Replies: 10   Last Post: Jul 27, 2013 6:16 AM

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Peter Percival

Posts: 2,623
Registered: 10/25/10
Re: Maximisation problem
Posted: Jul 26, 2013 7:35 PM
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Paul wrote:
> Let n be a fixed integer > 1.
> n logicians walk into a bar. The barwoman says "Do all of you want a beer?" The first logician says "I don't know." The second logician says "I don't know." ... The n-1st logician says "I don't know." The nth logician says "Yes please." Which value of n maximises the humorousness of the joke? I read it with n = 3 but n = 2 also illustrates the principle.

All applied to three is ok, for two one says both.

Nam Nguyen in sci.logic in the thread 'Q on incompleteness proof'
on 16/07/2013 at 02:16: "there can be such a group where informally
it's impossible to know the truth value of the abelian expression
Axy[x + y = y + x]".

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