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Liar or not? (Posted on 2002-11-12) Difficulty: 3 of 5
A man walks up to you and says:
"Everything I say to you is a lie."

Is he telling you the truth or is he lying?

See The Solution Submitted by Raveen    
Rating: 2.7059 (17 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution Solution | Comment 27 of 38 |
Yep, he's lying. If he were telling the truth, then this statement would contradict itself. So he is lying. If he is lying, then he just can't be a an all-the-time truth teller. So he's lying now, but he doesn't tell the truth all the time. He also can't be an all the time liar, otherwise that contradicts this statement. So sometimes this guy lies, and this is one of those times.
  Posted by Lawrence on 2003-08-30 15:08:34
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