Linguistic scripts occupy a middle regime where it's not too flexible or rigid. Rajesh took all 400 individual symbols of the Indus script and he cataloged them in a computer. After a diamond symbol, you're probably going to find two parallel lines. But after that, there's never going to see stick figures or arrows.
The Indus Valley civilization was one of the largest, most advanced civilizations in the ancient world. But we barely know anything about them, in large part because we haven’t been able to decipher the cryptic symbols they left behind.
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