## An introduction to cyberneticsMechanism; The determinate machine; The machine with input; Stability; The black box; Variety; Quantity of variety; Transmission of variety; Incessant transmission; Regulation and control; Regulation in biological systems; Requisite variety; The error-controlled regulator; Regulating the very large system; Amplifying regulation. |

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absolute system amplification applied arrow become behaviour biological bits Black Box Black Box theory brain cerebral cortex channel channel capacity chapter coding complex components concept consider constraint Continued corresponds coupled cybernetics defined degrees of freedom determinate machine diagram of immediate disturbances dynamic system elements entropy equations equilibrial equilibrium example exist fact feedback follows gene-pattern give given happens Hint homeostat homomorphism immediate effects important initial isomorphic kinematic graph large system machine of desired machine with input Markov chain Markovian machine matrix mechanism method move noticed observer occur operands outcome output ovum parameter particular position possible prediction properties protocol re-labelling regulation relation represented selection sequence Shannon's shown similarly simple single-valued transformation specified stable step Suppose theorem theory tion trajectory transducer transition probabilities values variety various vector whole zero