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Liar Logic (Posted on 2013-04-11) Difficulty: 1 of 5
A and B are each either a knight or a liar. A says, "At least one of us is a liar." What are A and B?

  Submitted by Math Man    
Rating: 5.0000 (1 votes)
Solution: (Hide)
Suppose A is a liar. Then, at least one of them is a liar, so A's statement is true. That is impossible, so A is a knight. Therefore, at least one of them is a liar, so B is a liar. A is a knight and B is a liar.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: SolutionMath Man2013-04-26 11:04:00
SolutionDaniel2013-04-11 09:55:22
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