Entropic Evidence for Linguistic Structure in the Indus Script

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Science  29 May 2009:
Vol. 324, Issue 5931, pp. 1165
DOI: 10.1126/science.1170391

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The script of the ancient Indus civilization remains undeciphered. The hypothesis that the script encodes language has recently been questioned. Here, we present evidence for the linguistic hypothesis by showing that the script’s conditional entropy is closer to those of natural languages than various types of nonlinguistic systems.

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