Can you solve it ? Chapeau ! A smart new hat puzzle

16 février 2026 | Alex Bellos
Logicians and their bonnets Today’s puzzle is a new twist on a classic genre: the “common knowledge” hat riddle in which logicians deduce facts about their hats based on what they know, and what they know others know. Head sums Continue reading...
 Site référencé:  The Guardian (Asia Pacific)

The Guardian (Asia Pacific) 

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