{"entities":[{"id":"leontief-1952-machines-and-man","shortName":"Leontief, Machines and Man (1952)","type":"document"},{"id":"wassily-leontief","name":"Wassily Leontief","type":"person"}],"claims":[{"id":"ec-m05-leontief-1952-machines-and-man-b","subject":"leontief-1952-machines-and-man","predicate":"bears_on_proposition","object":{"kind":"entity","entityId":"machines-cheaper-at-every-task"},"topic":"ideas","statement":"Leontief, “Machines and Man” (1952-09) bears on M05. The standfirst of an article by the economist Wassily Leontief on automatic control systems asks whether they will cause widespread technological unemployment.","time":{"kind":"event","date":"1952-09","basis":"publication","note":"Publisher page: \"published with the title “Machines and Man” in Scientific American Magazine Vol. 187 No. 3 (September 1952), p. 150\"; pages 150–160 from Crossref. Checked in a current copy; an archive capture was not available, so earlier bytes are not authenticated."},"derivation":"explicit","resolution":"supported","attributes":{"thought":{"roles":["context"],"register":"relay","missing":"Poses the question only; the article text, where Leontief answers it, was not retrieved.","tier":{"value":1,"basis":"Article by an economist in a magazine: tier 1 under the 2026-10-11 rule (D2 names this piece). Moved from tier 2. Only the standfirst was retrieved, and it may be editorial wording."}}}},{"id":"ap-wassily-leontief-leontief-1952-machines-and-man","subject":"wassily-leontief","predicate":"authored","object":{"kind":"entity","entityId":"leontief-1952-machines-and-man"},"topic":"ideas","statement":"“Machines and Man” (1952-09) credits Wassily Leontief as its author.","time":{"kind":"event","date":"1952-09","basis":"publication","note":"Date the source record gives for this text; authorship is credited in the inspected expression."},"derivation":"explicit","resolution":"supported"}],"sources":[],"evidence":[],"at":{"entities":[580,894],"claims":[1473,2283],"sources":[],"evidence":[]},"version":"1lg47t7"}