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| 4970 | Volume 18 | 1954 | 4971 | Volume 18 | 30-Aug-54 |
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Equilibrium in the hierarchy Hierarchy (of Bourbaki) equilibrium Summary: Science is interested chiefly in the case where the parameters and states are so related that every state is accessible at will. 4989 |
Capacity for control Channel capacity for control Orthogonality of control Summary: "State of equilibrium" in the hierarchy or sets. Summary: Orthogonality of actions in regulation. |

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