Philosophy

Aristotle

384 to 322 BC, Stagira, Greece

Virtue, purpose, logic, and the architecture of the good life.

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Lessons

The Foundations of Virtue

Aristotle’s theory of how to live well - that the good life is the activity of the soul in accordance with virtue, that virtue is a mean between extremes, and that we become good by doing good.

The Birth of Logic

Aristotle’s invention of formal logic - the syllogism and the systematic study of valid reasoning - which governed Western thought for over two thousand years.

Man the Political Animal

Aristotle’s political philosophy - that human beings are by nature political animals, that the state exists by nature for the good life, and that we can only flourish in community.

The Soul and the Senses

Aristotle’s theory of the soul as the form of the living body - neither a separate spirit nor reducible to matter - and his account of perception and the faculties of life.

Metaphysics and the Unmoved Mover

Aristotle’s inquiry into being itself - substance, form and matter, the four causes, potentiality and actuality - culminating in the unmoved mover, the ultimate source of all motion and being.

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