Who is a Pythagorean?

First, anyone identified as a Pythagorean by an early source uncontaminated by the Neopythagorean glorification of Pythagoras (see below) can be regarded as a Pythagorean.

What is the Pythagorean theorem?

The Pythagorean Theorem, also known as Pythagoras’ theorem, is a fundamental relation between the three sides of a right triangle. Given a right triangle, which is a triangle in which one of the angles is 90°, the Pythagorean theorem states that the area of the square formed by the longest side of the right triangle (the hypotenuse)

What is the Pythagorean equation?

In other words, given that the longest side c = the hypotenuse, and a and b = the other sides of the triangle: This is known as the Pythagorean equation, named after the ancient Greek thinker Pythagoras.

Is “on the Pythagorean life” a compilation of earlier sources?

Iamblichus’ On the Pythagorean Life is largely a compilation of earlier sources but, unlike Porphyry, he does not usually identify them. Rohde (1871–1872) argued influentially that On the Pythagorean Life was largely a compilation from two sources: Nicomachus’ Life of Pythagoras and a life of Pythagoras by Apollonius of Tyana.