The Letter S, by Donald Knuth (1980) [pdf]
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1.
2.
Étienne Ghys: The Shape of Letters: From Leonardo da Vinci to Donald Knuth
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3.
Pipes, Forks, and Zombies
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4.
Slava's Monoid Zoo
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5.
Further human + AI + proof assistant work on Knuth's "Claude Cycles" problem
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6.
Generalizing Knuth's Pseudocode Architecture From Algorithms to Knowledge
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7.
Claude's Cycles: Claude Opus 4.6 solves a problem posed by Don Knuth [pdf]
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8.
The Tears of Donald Knuth
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