Fw: Logic Puzzle

From: Doug Edmunds \(usually\) <edmunds_at_pacifier.com>
Date: Wed 19 Dec 2001 08:29:47 PM GMT
Message-ID: <001501c188cb$e86ed200$0300a8c0@dae>
Perhaps someone has done this puzzle and
can send a prolog solution to Mr Zhu.

--
doug edmunds
19 Dec 2001

----- Original Message ----- 
From: "Xinan Zhu" <MrXZ1@netscape.net>
To: <dougedmunds@users.sourceforge.net>
Sent: Tuesday, December 18, 2001 3:51 PM
Subject: Logic Puzzles


> Hi, I see you have a lot of solutions to puzzles her, but i still miss 
> one, maybe you are familiar with it. It is the crossing the river 
> problem. 4 people need to cross the river with only one flashlight and 
> the bridge can only hold 2 persons at a time, it takes person 1: 10 
> minutes ,person2: 5, person3: 2 and person4: 1 minute and they need to 
> cross the bridge in 17 minutes. so i hope you can solve this in prolog! 
> i'm looking forward to the publishing online
> 
> Xinan Zhu
> 
> 
Received on Wed Dec 19 20:33:10 2001

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