Early Greek Philosophy Official

: He saw fire as the symbol of this perpetual change and the Logos (universal reason) as the law governing it. 3. Parmenides & Zeno: The Illusion of Motion

: Widely considered the first philosopher, he proposed that everything is ultimately made of water . Early Greek philosophy

Heraclitus believed the universe was in a state of constant flux. : He saw fire as the symbol of

: Argued the source couldn't be a specific element like water; instead, it was the apeiron —an "unlimited" or "indefinite" substance. 2. Heraclitus : The Philosophy of Change Early Greek philosophy