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标题: Who Murdered the Professor? (ZT from WXC) [打印本页]

作者: 野菜花 时间: 2005-11-22 20:57
标题: Who Murdered the Professor? (ZT from WXC)

By Commentate

Professor X was killed by one of his four students, who was helped by another of the four students. His students declared:
A: If B is guilty of something, then C must be innocent.
B: If A is innocent, then C must be guilty.
C: If B was the killer, then D must have had nothing to do with the crime.
D: I am innocent.

As we should know, guilty people always lie, and innocent people always tell the truth. Who killed the professor, and who was his accomplice?

作者: husonghu 时间: 2005-11-23 09:01
标题: Not to be confused between killer & accomplice...

D = killer
B = accomplice

作者: 野菜花 时间: 2005-11-23 19:23
标题: Great![@};-][@};-]

Great!

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