Philosophy - Early Greek

Based in Miletus, these thinkers searched for the arche —the single primary substance that makes up the universe.

: 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 Early Greek philosophy

Heraclitus believed the universe was in a state of constant flux. Based in Miletus, these thinkers searched for the

Early Greek philosophy, often called "Pre-Socratic," represents the shift from explaining the world through myths to seeking rational, naturalistic explanations. Based in Miletus

: He famously noted you cannot step into the same river twice, as new waters are always flowing.