Ross indexed the following pages under the keyword: "Hierarchy (of Bourbaki)".

Summary: Isomorphism and equiformality. 4990, 5000 Hierarchy (of Bourbaki) machine in hierarchy Machine in hierarchy of sets 4934 4935

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

Summary: The multi-stable system must have low interaction on the average. 5312 Summary: On the pains of learning. Dentist Learning necessity The Multistable System [104]: "To accumulate memories that are not affected by intervening events" is equivalent to "There must be small interaction between the events and the memories" 5304. Constraint and structure Hierarchy (of Bourbaki) and constraint Structure as constraint 5304 5305

Machine mathematics of Mathematics of machine Hierarchy (of Bourbaki) machine in hierarchy 5906 5907