In human thermodynamics, entropy reduction is a newer synonym, or spinoff term, to the older 1947 concept of local entropy decrease, referring to a hypothetical process wherein an activity or transformation is said to lower entropy and thus increase order.

In his 1975, American political scientist Stephen Coleman, devoted an entire chapter to entropy reduction and politics; Coleman's work, however, is clogged up with Shannon bandwagon suppositions about information theory. [1]

The term entropy reduction, according to the 2005 view of American educator Dick Hammond, who claims to have researched this term, states that it is used by many authors to indicate “the movement away from randomness and thus the irretrievable loss of energy and information.” [2] In 2006, building on the 1971 entropy law logic of Romanian mathematician Nicholas Georgescu-Roegen, American economist Eric Beinhocker stated what he calls the second G-R condition, which is: [3]

“All value-creating economic transformations and transactions reduce entropy locally within the economic system, while increasing entropy globally.”

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Entropy reduction in life: plants, animals, humans, and their behaviors, according to Hammond, means that they must decrease or minimize the amount of entropy production, thrive on negative entropy or negentropy, retard entropy, absorb entropy, diminish entropy, consume entropy, decrease entropy, lessen entropy, cut down entropy, lower entropy, curtail entropy, be anti-entropic, or stop wasting free energy, all of which Hammond claims are synonyms with the same meaning. Entropy reduction, for people, according to Hammond, refers to how humans, as open systems, use energy to manipulate other energy, matter, or information outside themselves. [2]

See also
Entropy reversal

1. Coleman, Stephen. (1975). Measurement and Analysis of Political Systems: a Science of Social Behavior (ch. 7: Entropy Reduction, pgs 146-69). Publisher: Stephen Coleman.
2. Hammond, Dick K. (2005). The Human System from Entropy to Ethics. (pgs. 85-86). Publisher: Dick Hammond.
3. Beinhocker, Eric, D. (2006). The Origin of Wealth – Evolution, Complexity, and the Radical Remaking of Economics. (ch. 14: A New Definition of Wealth: Fit Order, pgs. 299-319, esp. 306). Boston, Mass.: Harvard Business School Press.

Further reading
● Weitz, Henry. (1964). Behavior Change Through Guidance (keyword: entropy reduction, pgs. 143-44). Wiley.
● Lindemann, Udo. (2003). Human Behavior in Design (Entropy reduction in mathematical giftedness, pgs. 63-71, by Werner Krause, et al). Springer.

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