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#899769 - 07/08/13 10:57 AM Coffee?
CanukDenis Graduate Boomer Registered: 11/26/00 Posts: 15095 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. _________________________ I'm a man of few words...but I use them often
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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: 1593 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 I've learned that if you're too busy to help a friend, you're too busy.
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#899794 - 07/08/13 01:12 PM Re: Coffee? [Re: CanukDenis]
CanukDenis Graduate Boomer Registered: 11/26/00 Posts: 15095 Loc: Ottawa Ontario Canada	Ya'll got it! The 4th logician could instead have said: "bring 3 coffees" _________________________ I'm a man of few words...but I use them often
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#899795 - 07/08/13 01:23 PM Re: Coffee? [Re: CanukDenis]
Redz Adept Boomer Registered: 08/12/00 Posts: 11929 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: 7286 Loc: Minnesota, USA	Happy Birthday, Bob! _________________________ I stopped fighting my inner demons. We're on the same side now.
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#899802 - 07/08/13 01:43 PM Re: Coffee? [Re: CanukDenis]
BobH Addicted Boomer Registered: 10/14/11 Posts: 1593 Loc: 47.79N, 122.24W	Thanks for the birthday wishes! _________________________ Bob I've learned that if you're too busy to help a friend, you're too busy.
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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: 21094 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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