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#899769 - 07/08/13 10:57 AM Coffee?
CanukDenis Graduate Boomer Registered: 11/26/00 Posts: 16963 Loc: Ottawa Ontario Canada	Four logicians in a restaurant have just finished lunch when the waitress comes by and asks "Do all of you want coffee?" The first logician answers "I don't know". The 2nd and 3rd logicians also answer "I don't know". The 4th logician answers "No" Assuming all 4 responded with correct answers , how many want coffee and which ones , if any , want coffee. _________________________ We're all here because we're not all there!
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#899789 - 07/08/13 12:29 PM Re: Coffee? [Re: CanukDenis]
nell_nerhegeb Shy Boomer Registered: 01/11/13 Posts: 20	.. I have a feeling I missed something The 4th doesn't want coffee. The first three want coffee.
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#899793 - 07/08/13 01:02 PM Re: Coffee? [Re: CanukDenis]
BobH Addicted Boomer Registered: 10/14/11 Posts: 3440 Loc: 47.79N, 122.24W	Nell, by my logic, you got it right. They take the waitress literally when she asks if they ALL want coffee. If the first one didn't want coffee, he would know that they then couldn't ALL want coffee so he would say no. It is only if he wanted coffee that he would have to answer, "I don't know" because he wouldn't yet know if every one of them wanted coffee. The same goes for the second and third logicians until finally the fourth can say with certainty that they don't ALL want coffee because he doesn't. _________________________ Bob As I've grown older, I've found that my memory is not as good as I used to think it was.
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#899794 - 07/08/13 01:12 PM Re: Coffee? [Re: CanukDenis]
CanukDenis Graduate Boomer Registered: 11/26/00 Posts: 16963 Loc: Ottawa Ontario Canada	Ya'll got it! The 4th logician could instead have said: "bring 3 coffees" _________________________ We're all here because we're not all there!
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#899795 - 07/08/13 01:23 PM Re: Coffee? [Re: CanukDenis]
Redz Adept Boomer Registered: 08/12/00 Posts: 13190 Loc: Doylestown, Pennsylvania	, BobH. Hope you have a great day Joan
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#899799 - 07/08/13 01:35 PM Re: Coffee? [Re: Redz]
Sherlock BAAG Specialist Registered: 02/27/01 Posts: 8271 Loc: Minnesota, USA	Happy Birthday, Bob! _________________________ If the world was a perfect place, where would souls go to school? - Emmanuel
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#899802 - 07/08/13 01:43 PM Re: Coffee? [Re: CanukDenis]
BobH Addicted Boomer Registered: 10/14/11 Posts: 3440 Loc: 47.79N, 122.24W	Thanks for the birthday wishes! _________________________ Bob As I've grown older, I've found that my memory is not as good as I used to think it was.
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#899803 - 07/08/13 01:57 PM Re: Coffee? [Re: CanukDenis]
nell_nerhegeb Shy Boomer Registered: 01/11/13 Posts: 20	Oh good, that was also my line of thought. A Happy Birthday from me as well
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#899894 - 07/08/13 08:59 PM Re: Coffee? [Re: CanukDenis]
soot Puzzled Moderator True Blue Boomer Registered: 04/16/05 Posts: 24450 Loc: Usually up an Alabama Tree	Welcome to the Garden Nell _________________________ To learn, read...To know, write...To master, teach...To live, play games
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#900240 - 07/10/13 11:26 AM Re: Coffee? [Re: CanukDenis]
nell_nerhegeb Shy Boomer Registered: 01/11/13 Posts: 20	Thank you soot I'm sure I'll come here again
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