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• 15:05, 29 May 2024 Amwelladmin talk contribs created page Messes, problems and puzzles (Created page with "{{a|systems|}}{{d|messes, problem and puzzles||n|}}A coinage of Russell Ackoff and distinguishing between situations having neither a well-formed question nor an answer (“'''messes'''”), those which have a clear question but not an answer (“'''problems'''”) and those which have a clear question ''and'' a determinate answer (“'''puzzles'''”). JC notes parenthetically that a bucket is missing here: those situations in which there exists an ''answer'' but not...") Tags: Mobile edit Mobile web edit Advanced mobile edit