Although the theorem, now known as Pythagoras's theorem, was known to the Babylonians 1000 years earlier he may have been the first to prove it. Proclus, the last major Greek philosopher, who lived around 450 AD wrote (see):
Kahit na ang teorama, ngayon ay kilala bilang Pythagoras's teorama, ay kilala sa Babylonians 1000 years mas maaga siya ay maaring ang unang upang patunayan ito. Proclus, ang huling malaking Greek pilosopo, na nanirahan sa paligid ng 450 AD wrote (makita):