China ‘evaluating’ US offer to engage in trade negotiations
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China ‘evaluating’ US offer to engage in trade negotiations
World may be ‘post-herd immunity’ to measles, top US scientist says
Arizona governor pauses deportation for Guatemalan who gave birth days ago
EU microchip strategy ‘deeply disconnected from reality’, say official auditors
Aston Martin limits exports to US because of Trump tariffs
The answer to today’s puzzles
Earlier today I set you three examples of a word puzzle that illuminates one of the smash hits of theoretical computer science. (To read about this result, the PCP theorem, please check out the original post.)
In the puzzle, crossword-style clues each point to a vertical column. The answer to each clue is a three-letter word, made up from the three letters that the clue points to.
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