{"slug":"convergence-c07","verification":{"valid":false,"broken_at":0,"reason":"prev mismatch"},"count":5,"sources":[{"id":"wiener-1948","type":"primary","url":"https://miscsubjects.com/a/wiener-1948","title":"Cybernetics: or Control and Communication in the Animal and the Machine (1948)","quote":"He gave the loop a name and a mathematics. He showed that control is information. Information is measurement. Measurement is life.","summary":"Foundational text establishing cybernetics as the study of control and communication through feedback loops in animals and machines.","claim_ids":["c7-1","c7-2","c7-4"],"quality_score":0.95},{"id":"ashby-1956","type":"primary","url":"https://miscsubjects.com/a/ashby-1956","title":"An Introduction to Cybernetics (1956) / Design for a Brain (1960)","quote":"Only variety can destroy variety. A thermostat with one setting cannot regulate a house with ten rooms. This is not advice. This is a theorem.","summary":"Ashby's work on requisite variety, the Homeostat, ultrastability, and the mathematical foundations of adaptive control systems.","claim_ids":["c7-1","c7-2","c7-3","c7-5"],"quality_score":0.95},{"id":"maturana-1980","type":"primary","url":"https://miscsubjects.com/a/maturana-1980","title":"Autopoiesis and Cognition: The Realization of the Living (1980)","quote":"The cell makes the membrane that makes the cell. The loop is not a mechanism bolted onto life. The loop is what life is.","summary":"Maturana and Varela's theory of autopoiesis: living systems are organizationally closed, producing the components that produce themselves.","claim_ids":["c7-4"],"quality_score":0.9},{"id":"prigogine-1977","type":"adjacent","url":"https://miscsubjects.com/a/prigogine-1977","title":"Dissipative Structures and Far-From-Equilibrium Order (1977)","quote":"Far-from-equilibrium systems can maintain order by exporting entropy. The steady state is not equilibrium. It is a war.","summary":"Nobel-winning work showing that order can persist far from equilibrium by exporting entropy, providing the thermodynamic basis for feedback-driven stability.","claim_ids":["c7-6"],"quality_score":0.9},{"id":"noether-1918","type":"rival","url":"https://miscsubjects.com/a/noether-1918","title":"Invariante Variationsprobleme (1918)","quote":"","summary":"Noether's theorem: conservation laws emerge from symmetry, not feedback. Provides the rival frame that some stability is structural, not control-based.","claim_ids":["c7-6"],"quality_score":0.95}]}