Murder in the Park // 221

Disproof of the Riemann Hypothesis Consider the following logical argument:

. Elephants never forget. . No creature that has ever won Mastermind has possessed a

trunk. . A creature that never forgets will always win Mastermind

provided it takes part in the competition. . A creature lacking a trunk is not an elephant. . In 2001 an elephant took part in Mastermind. Therefore:

. The Riemann Hypothesis is false. Is this a correct deduction?

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Answer on page 302

Murder in the Park This puzzle ­ like several in this book ­ goes back to the great English puzzlist Henry Ernest Dudeney. He called it `Ravensdene Park'. I've made a few trivial changes.

Ravensdene Park.

Soon after a heavy fall of snow, Cyril Hastings entered Ravensdene Park at gate D, walked straight to the position

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