Tackling Logic Puzzles: Logicians Use Insightful Strategy on World Logic Day

• Alex Bellos shares a logic puzzle for World Logic Day in The Guardian.
• The puzzle involves 10 logicians identifying hat colors in a line.
• Logicians see only the hats of those ahead and use parity to strategize.
• A variation introduces a third color, making the puzzle more complex.
• The puzzle illustrates error-correcting codes using modular arithmetic.
• This relates to real-world uses like data recovery and coding.
• Readers are encouraged to explore mathematics through discussion.