👉 Pyrrhotism, also known as "pythagoreanism," is a religious and philosophical belief system that emphasizes the importance of the Pythagorean theorem (the Pythagorean theorem states that in a right-angled triangle, the square on the hypotenuse equals the sum of the squares on the other two sides). This belief system originated in ancient Greece, particularly during the Hellenistic period. In this belief system, the concept of "Pythagoras" or "Pythagore