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5 Cards in this Set
- Front
- Back
- 3rd side (hint)
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the second law of thermodynamics
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In any closed system, the amount of order can never increase, only decrease over time.
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the complementary law
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Any two different perspectives (or models) about a system will reveal truths regarding that system that are neither entirely independent nor entirely compatible.
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Weinberg 1975
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the law of requisite variety
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Control can be obtained only if the variety of the controller is at least as great as the variety of the situation to be controlled.
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Ashby 1964
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the law of requisite hierarchy
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The weaker and more uncertain the regulatory capability, the more hierarchy is needed in the organization of regulation and control to get the same result.
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Aulin and Ahmavaara 1979
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the law of requisite parsimony
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Human short-term memory is incapable of recalling more than seven plus minus two items. Three elements and the four interacting combinations of them will consist of such seven items.
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Miller 1956
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