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De Ja True? (Posted on 2007-09-29) Difficulty: 3 of 5
Alex, Bert, and Carl are each a knight, knave or a liar. Three people asked them what their types were.

The first person got the following responses:
Alex:Carl is a liar.
Bert:Alex is a knight.
Carl:Bert is a knave.

The second person got the following responses but forgot who made which ones:
Exactly one of us is a knight.
Exactly one of us is a knave.
Exactly one of us is a liar.
(Alex, Bert, and Carl each made one of the statements.)

The third person got the following responses:
Alex:Bert is a knave.
Bert:Carl is a liar.
Carl:Alex is a knight.

What types are Alex, Bert, and Carl?

See The Solution Submitted by Brian Smith    
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Comments: ( Back to comment list | You must be logged in to post comments.)
re: I got it | Comment 4 of 6 |
(In reply to I got it by Raymond)

Comment deleted by poster.

 

 

 

Edited on May 26, 2008, 10:03 am
  Posted by Penny on 2007-09-29 17:05:36

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