Secondary sourceBookc. 375 BC
The Republic
Plato · c. 375 BC
Plato's major dialogue on justice and the ideal state, with Socrates as the main speaker, including the Allegory of the Cave.
Shows Socrates as Plato's main spokesman, illustrating how his teacher's image was used to build Plato's own philosophy.
About this source
What it is
The Republic is a long dialogue written by Plato around 375 BC, in which Socrates discusses justice with various Athenians, including Glaucon, Polemarchus and Thrasymachus.
Why it matters
Although Socrates is the main speaker, the ideas explored here—such as the theory of Forms and the vision of philosopher-kings—are generally seen as Plato's own philosophy developed beyond what the historical Socrates likely argued. This makes the Republic important evidence not just for Socrates but for how Plato used his teacher's voice to build and spread his own thought, including the famous Allegory of the Cave.
Look closer
- Why might Plato keep using Socrates as his main speaker even in works expressing his own ideas?
- What is the effect of having Socrates argue through questions rather than giving direct statements?
- How can we tell where Socrates' real views end and Plato's own philosophy begins?
This book is part of the curated material that grounds the AI version of Socrates on Humy.ai — when students ask about related events, the AI can quote it and cite it.
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