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Essential variables
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Ross indexed the following pages under the keyword: "Essential variables".


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1950
Summary: Allbutt on a type of man.
Essential variables sometimes not related to critical states
Critical surface if not related to essential variables
Pain patient insensitive to pain
2831 2832
Essential variables relation to multistable system
DAMS (Dispersive and Multistable System) [73]: Another form, with the essential variables' limits separate from the step-functions', 2955.
2955 2956
Environment relation to essentail variables
Essential variables relation to environment
2959 2960

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1951
Environment relation to essentail variables
Essential variables relation to environment
Summary: Relation of essential variables to system of part-functions.
3087 3088
Essential variables and pleasure
Pleasure learning by pleasure
Statistical mechanics density in phase
Stochastic processes differential equations
Summary: I am now ready to account for learning by 'pleasure'.
Statistical mechanics density in phase
Stochastic processes differential equations
3131 3132
Essential variables must be many
Natural Selection [15]: Cumulative, additive, adaptation 3141.
Summary: To get cumulative adaptation, the environment must be traversed by a variety of paths. (4546, 4215)
DAMS (Dispersive and Multistable System) [12]: DAMS should have plenty of informative feedback, 3142.
3141 3142
Environment REVIEW
Essential variables REVIEW OF
Multistable system REVIEWED
DAMS (Dispersive and Multistable System) [94]: Review of relations between multistable system, environment, and specialised essential variables, 3281.
3281 3282
Summary: Equilibria in systems of part-functions. (See below)
Essential variables and neutral equilibrium
3493 3494
Code inverse
Environment as transducer
Transducer inverse
Transformation inverse
Oddments [36]: If the environment is operator E, the brain must become -E-1. 3499.
Summary: If the environment is E the brain must become -E-1 4294
Environment must be non-singular
Essential variables information from
Step function carries information
3499 3500
Summary: Designing DAMS.
Essential variables how many is optimal?
Summary: More complexity means more essential variables, which then have all to be satisfied.
3515 3516
Summary: Improvement by the purely empirical is as old as industry.
Environment relation to essential variables
Essential variables relations to environment etc.
3517 3518
Summary: How to arrange DAMS. DAMS can react to a 'signal' or 'symbol'.
Environment REVIEW
Essential variables REVIEW OF
Summary: Index to Essential Variables since 3289. 3582
Summary: Reduction of all variables to a common form is of no importance.
Money reduction of all social variables to
3521 3522
Essential variables relations to environment etc.
DAMS (Dispersive and Multistable System) [43]: Environment, Essential Variables, and network, 3559.
3559 3560
Summary: Infinitesimal displacements activate a unique set of variables. (3599)
Environment reviewed again
Equilibrium multistable system around state of
The Multistable System [81]: In a system of part-functions, all infinitesimal displacements, in whatever direction, from a resting state activate the same set of variables, 3581, 3599.
Environment reviewed again
Essential variables Reviewed again
3581 3582
Environment reviewed again
Essential variables Reviewed again
Environment reviewed again
Essential variables Reviewed again
3583 3584
Environment reviewed again
Essential variables Reviewed again
Environment reviewed again
Essential variables Reviewed again
3585 3586
Environment reviewed again
Essential variables Reviewed again
Environment reviewed again
Essential variables Reviewed again
3587 3588
Environment reviewed again
Essential variables Reviewed again
Environment reviewed again
Essential variables Reviewed again
3589 3590
Conflict arrangement for
Environment reviewed again
Essential variables Reviewed again
Psychiatric applications [16]: An arrangement possibly leading to conflict, 3591.
Environment reviewed again
Essential variables Reviewed again
3591 3592
Environment reviewed again
Essential variables Reviewed again
Summary: How essential variables, environment, and network are to be arranged in organism and DAMS. 3603, 3825, 4600, 4613 - there is no general solution, 4832, 5737
Environment reviewed again
Essential variables Reviewed again
Signal multistable system responding to
3593 3594
Summary: How the cortex perhaps gets selective disruption of wrong arcs. 3825, 4600, 4831
Essential variables possible mode of action
Learning imprinting
Learning serial learning
DAMS (Dispersive and Multistable System) [47]: Possible mode for action of essential variables, 3603.
3603 3604

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1952
Summary: Habituation. 3837, 3842, 3856, 4526
Dispersion defined by information
Independence definition
Information and independence and dispersion
Essential variables possible mode of action
3824 3825
Summary: A likely mechanism for the conditioned reflex. 3897
Essential variables limits and conditioned reflex
The Conditioned Reflex [41]: Another contribution to the basic mechanism 3894.
Primary operation defined
3894 3895
Activity positive effect of
Memory filling of
Oddments [32]: Prolonged activity of a parameter makes the system's behaviour tend to depend more on the parameter's particular line of behaviour than on the system's particular initial state, 3956.
Essential variables dominating a system
The Multistable System [32]: Properties of each part depend more and more, as time goes on, what happens to it rather that on which initial state it started from. 3957.
3956 3957
Part-function lock and key as example
Summary: Examples of systems with part functions.
Essential variables complexity of
4016 4017
Summary: If a system is very large and its lines of behaviour very long, the 'later' ends of the lines must differ from the 'earlier' in some 'Darwinian' way. (Note on 4055) 4099, Review 4141, 4201
Summary: Essential variables. 4161
Essential variables complexity of
4052 4053
Essential variables use variation amplifier
DAMS (Dispersive and Multistable System) [76]: The self locking, ultrastable system deduced from four postulates. DIAGRAM 4158.
Amplifier use of in ultrastability
Variety necessity of
4158 4159
Summary: Building an exceptionally un-intelligent machine.
Oddments [41]: How to build an exceptionally unintelligent machine, 4260.
Summary: Building a machine to display its powers of self adjustment.
Essential variables various orders
DAMS (Dispersive and Multistable System) [60]: How to design a self-adapting machine, [SHORTHAND] how to make it evolve, 4261.
4260 4261
Summary: Multiple, competing, essential variables lead to the same problem, whether occurring in one person or scattered among many. 4289
Conflict between essential variables
Essential variables conflict between
Essential variables dominance between
Levels of essential variables
Society [47]: The essential variables of the people in a society are as functionally joined as if in the person, 4284.
The Multistable System [75]: Levels between essential variables. 4284.
Psychiatric applications [26]: Conflict between two essential variables, 4284.
Intelligence as selection
Selection intelligence as
4284 4285

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1953
Habituation theory of
Essential variables relation to selection amplifier
Habituation theory of
4532 4533
Summary: How much of a field should be known?
Essential variables in Darwinian system
Evolution reviewed
Natural Selection [80]: Relation between multistable systems and evolving genetic system reviewed, { 4606 - 4620 }
Summary: In Darwinian evolution; the part of essential variables is played by those parts whose disequilibrium leads to widespread disturbance around them.
Evolution reviewed
Natural Selection [80]: Relation between multistable systems and evolving genetic system reviewed, { 4606 - 4620 }
4608 4609
Summary: "Maximising profits" as a "keeping within limits."
Essential variables maximising
Society [61]: When limits of essential variables are 0 and + ∞, and random disturbances are likely, best strategy is to make the value maximal, as with profits, 4642.
Society [62]: Self locking by, Standing Orders 4642.
Summary: Self-locking in society.
Group (mathematical) not all science
Self-locking system in Parliament
Stable set in science
Standing Orders self-locking
Personal notes [20]: Reviews of "Design": 4258 Observer, 4309 Citizen, 4380 British Medical Journal, 4423 Journal of Consulting Psychology, 4423 McCulloch, 4446. Hibbert Journal, 4595 Galaxy, 4595 Scientific American, 4643 Occupational Psychology.
4642 4643

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1956
Summary: Probability of district balls getting into same cells. 5830
Summary: Abstract form of a "teacher". 5430
Essential variables sequenced by teacher
Training abstract nature of
5382 5383
Summary: A trajectory may be reducible (into parts that are unconditionally good or bad). 5462, 5532, 5537, 5573, 5675
Accumulation (of adaptations) reducibility implied
Essential variables when reducible
Reducibility of outcome
5430 5431

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1957
Summary: Reducing major Good to minor goods. 5537, 5532, 5578, 5626
Essential variables when reducible
Introduction to Cybernetics reviews
Personal notes [31]: Reviews of the "Introduction to Cybernetics". 5531, 5582, 5630, 5748.
5530 5531
Summary: From essential variables to Grand Outcome, via trials. 5573, 5642
Essential variables and trials
Immediate effect equals "cause"
Trial and error and essential variables
Cause and feedback
Discrimination requires information
Feedback discriminative needs information
Immediate effect and feedback
Requisite Variety, Law of in discriminative feedback
Supplementation in discriminatative feedback
5538 5539
Selection requires information
Summary: No general principle can be sufficient guide when selection must be done; some actual channel is also necessary. 5585
Arc selection of
Essential variables discrimination by
Feedback methods for discrimination
5548 5549
Summary: The distinction between aggression and non-aggression corresponds, respectively, to having or not having a regulator. 5694
Regulation as aggression
Essential variables abstract form
Machine essential variables of machine
Survival and essential variables, abstractly
5572 5573
Summary: The "essential variables" to a machine with input are those other parameters to it whose change would alter its canonical representation.
Essential variables to a machine
Machine not equal to 'system'
5576 5577
Summary: "System" and "machine with input" are very different.
Essential variables sub-essential variables found by system
Goal and sub-goal
Part-function and sub-goal
Sub-goal found by system
Summary: Essential variables in Multistable System 5601, 5625, 5642
5578 5579
Summary: From iterated systems to the multistable. 5612
Essential variables when reducible
The Multistable System [121]: Newer theory of multistable system. 5601 et seq.
5600 5601
Essential variables when reducible
5616 5617
Summary: Why have arcs that are dynamic systems?
Essential variables set theory
5626 5627
Summary: One unit for adaptation (in Multistable System) may comprise many portions (arcs) in the cortex. 5653, 5746
The Multistable System [125]: One unit for adaptation (one "arc") may comprise many portions of both cortex and environment. 5634.3.
Summary: Optimal duration of trial; optimal time back to make disruptive feedback work. 5642
Essential variables maximal speed
Trial and error maximal speed
5634 5635
Essential variables vital variables
Survival and vital variables
Vital variables defined
Summary: Distinguish between Essential and Vital variables.
5642 5643
Essential variables within random machine
Vital variables in random system
5646 5647
Summary: Mechanisms for memory may well vastly outnumber those for action
Memory may far exceed action
Summary: Essential variables for adaptation by accumulation.
Accumulation (of adaptations) essential variables for
Essential variables for accumulation of adaptation
5766 5767

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1958
Summary: Another example of how a large, and irreducible, quantity of information may be necessary.
Essential variables outside organism
5810 5811
Summary: A variable may be essential to an organism and yet outside of it.
Computing machines spontaneous generation in
Intelligence spontaneous generation
Essential variables abstractly
Life spontaneous generation in a computer
Spontaneous generation of life in computer
Survival within computer
Transformation adaptation to any
5812 5813
Adaptation demands parts
Essential variables evolution of
5962 5963

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