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Trial and error
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These are the original index cards for the keyword "Trial and error".


See also Hunt and stick speed of 4251 equals competition 4380 sub-trials 4546 optimal method 4650 4797 896 internal between trials 3530 number of trials necessary 4686 variety in 4693 relation to continuous stability 4695 determine of trial by theory 4849 gives information 4942 5027 nature of 4948 of full efficiency 5339 and essential variables 5538 must not change dispersion 5606 maximal speed 5635 duration of 5637

by genius 6258 efficiency of 6336 Reprint 314 Reprint 315 Reprint 316 Reprint 317
These images are reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby
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