Here's the PDF: https://www-cs-faculty.stanford.edu/~knuth/papers/claude-cycles.pdf https://www-cs-faculty.stanford.edu/~knuth/papers/claude-cyc... It wasn't K

Here's the PDF: https://www-cs-faculty.stanford.edu/~knuth/papers/claude-cycles.pdf https://www-cs-faculty.stanford.edu/~knuth/papers/claude-cyc... It wasn't Knuth who used Claude, but his friend. Nevertheless, Knuth was quite impressed.