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 Murder by Logic (Posted on 2004-03-05)
Professor Z was killed by one of his four students, who was helped by another of the four. 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 everybody should know, guilty parties always lie, and innocent people always tell the truth. Who killed the professor, and who was his accomplice?

 See The Solution Submitted by Federico Kereki Rating: 3.6667 (12 votes)

 Subject Author Date Puzzle Solution K Sengupta 2008-05-15 06:17:09 answer K Sengupta 2007-11-10 04:44:12 re: Help me out... Penny 2004-06-25 16:05:08 re: another solution I think... Tristan 2004-06-24 18:20:27 another solution I think... mic 2004-06-24 17:41:06 Help me out... Jeremy Trenary 2004-05-28 19:44:56 alternate solution Daymiris Gell 2004-05-17 20:30:14 Think there's something wrong.. paul priest 2004-05-07 09:32:59 Solution! Galendir 2004-03-21 16:23:57 re(3): full solution Matthew Pianalto 2004-03-10 03:49:37 re(2): full solution SilverKnight 2004-03-10 03:15:52 re: full solution Matthew Pianalto 2004-03-09 21:18:16 re(2): solution Penny 2004-03-09 16:39:43 re: solution e.g. 2004-03-09 14:48:09 solution paul 2004-03-08 21:32:45 the answer? Sunwoo Lee 2004-03-08 20:28:45 Solution e.g. 2004-03-08 14:00:00 Yes it does, Deb Penny 2004-03-08 06:00:16 Does solution have to be more detailed then this? Deb 2004-03-07 19:47:19 re: if d is not the killer... Sam 2004-03-06 13:27:11 if d is not the killer... Chandrakant 2004-03-06 11:00:17 Solution Penny 2004-03-05 16:05:02 full solution SilverKnight 2004-03-05 15:17:48

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