They also demonstrated knowledge of the Pythagorean theorem well before Pythagoras, as evidenced by this tablet translated by Dennis Ramsey and dating to c. 1900 BC.

• 他们在毕达哥拉斯之前，也证明了毕达哥拉斯定理。证据就在由丹尼斯拉姆齐破译的一块公元前1900年的石版。