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Work · Ancient Greek

Republic

c. 375 BCE · by Plato

What is justice? The allegory of the cave, philosopher-kings and the banishment of the poets.

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Introduction

Plato’s longest dialogue besides the Laws, in ten books, narrated by Socrates. Book I tests definitions of justice, including Thrasymachus’ claim that it is the advantage of the stronger. Glaucon’s story of the ring of Gyges asks whether anyone would be just if they could act unseen. To find justice in the soul, Socrates builds an ideal city in speech, with three classes matching the three parts of the soul. Books VI and VII bring the images of the sun, the divided line and the cave; Book X ends with the myth of Er. The Greek title, Politeia, means “constitution” or “form of government”.

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