baumhaus.digital/Studium Generale/Short History of the Learning Machine/Alles ist Zahl!/An Older Theorem
Centuries before Pythagoras, the Baudhayana Sulba Sutra (India, c. 800 BCE) already states the same relationship between the sides of a right triangle.
The mathematics was not a single European discovery — it was discovered, independently and repeatedly, wherever people needed to measure, build, and trade.
