Category: Classical Philosophy

The Sophists taught rhetoric and relativism in ancient Athens, arguing that justice is nomos, not physis — provoking Socrates and Plato’s fierce response.

Athenian Democracy, the Persian Wars, and the Peloponnesian War together shaped the turbulent world that produced Socrates, Plato, and Aristotle’s philosophy.

Ancient Atomism explains all reality through atoms and void alone — tracing Democritus’s materialism to Epicurus’s swerve and Lucretius’s poetic proofs.

These notes cover Anaxagoras — his critique of Empedocles’s four elements, the concept of infinite qualitatively distinct seeds, the homoiomerous test for ultimate elements, ‘everything is in everything’, the nature and role of Nous, the primordial mixture and its separation into the cosmos, internal tensions in his system, his scientific observations, and his legacy as…

Empedocles Philosophy reconciles Parmenides and Heraclitus using four eternal elements driven by Love and Strife — Western philosophy’s first pluralist system.

Zeno’s Paradoxes prove that motion, plurality, and space lead to logical contradictions — arguments that inspired calculus, set theory, and modern logic.

Parmenides Philosophy argues reality is one, unchanging, and eternal — using Greek geometry’s axiomatic method to prove that motion itself is illusion.

Heraclitus Philosophy reverses earlier Greek thought — reality is flux, not substance, unified by opposites and governed by the rational, hidden Logos.

Xenophanes Philosophy attacks anthropomorphic gods, proposes a single rational God, and raises Greek philosophy’s first great questions about knowledge.

Pythagoras Philosophy unites numbers, music, and the cosmos — arguing that reality’s deepest structure is mathematical harmony, not mere matter itself.