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seen Sep 18 at 11:14

Jul
12
revised Entropy of $X =\{1,2,\ldots,\infty\}$ with the probability of $\{1/2^1,1/2^2,\ldots,1/2^\infty\}$?
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Jul
10
revised Uses needed to break a substitution cipher (alphabet of 5 symbols, normalized entropy of the source of 2)
deleted 9 characters in body