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Fiancé Resolution (Posted on 2013-03-25) Difficulty: 3 of 5
Esther is engaged. Her fiancé is either Arthur, Barton, Claude, or Dexter.
  1. Each of the four men and Esther is a knight or a liar.
  2. Arthur says: "Exactly one of us four men is a knight."
  3. Barton says: "Exactly one of us four men is a liar."
  4. Claude says: "Arthur or Barton is Esther’s fiancé."
  5. Esther says: "My fiancé and I are either both knights, or both of us are liars."
Who is Esther's fiancé?

No Solution Yet Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts re: computer solution | Comment 5 of 7 |
(In reply to computer solution by Charlie)

It is more complicated than I thought.

 No doubt, I have erred . But there is a serious flaw in your(= computer'S) solution.

 

  1. Each of the four men and Esther is a knight or a liar.

It is logical to assume an exclusive or, while you leave

"Esther's standing" open, contradictory to the text.

 

 


  Posted by Ady TZIDON on 2013-03-25 17:31:36
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