Outline Mathematics Logic Problems Robbery #2 Here's a problem to tackle:   Abdul's shop was robbed once more, but the loot was recovered. Again, there were three suspects; their names were Abu, Ibn, and Hasib. At the trial, they made the following statements: Abu: I did not commit the robbery! Ibn: Hasib certainly didn't! Hasib: Yes, I did! Later on, two of them confessed to having lied. Who committed the robbery? Solution Copyright © 1996-2008 Alexander Bogomolny                             Solution   Abdul's shop was robbed once more, but the loot was recovered. Again, there were three suspects; their names were Abu, Ibn, and Hasib. At the trial, they made the following statements: Abu: I did not commit the robbery! Ibn: Hasib certainly didn't! Hasib: Yes, I did! Later on, two of them confessed to having lied. Who committed the robbery? (In the applet below, click on the underlined omitted expressions. See what happens.) // formulations This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at http://www.java.com/en/download/index.jsp, download and install Java VM and enjoy the applet. Do not forget to check your solution. References R. Smullyan, The Riddle of Scheherazade, Alfred A. Knopf, 1997 Copyright © 1996-2008 Alexander Bogomolny

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