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4658 Volume 18 1953 4659 Volume 18 1953
Summary: Only variation can force variation down - exact conditions necessary. 4662, 4674, 4750
Homeostasis variety is necessary
Regulation variety is necessary
Requisite Variety, Law of stated
 Entropy necessary for regulation
Output variety in
Variety necessary for regulation
This page is referenced from 4 pages: 4387 4395 4846 4847 This page references 4 pages: 4664 4662 4674 4750
This page is referenced from 5 pages: 4662 4674 4676 4704 4750
This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby
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