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2.1 Plato's theory of justice and the ideal state

3 min readaugust 7, 2024

Plato's theory of justice and the ideal state form the cornerstone of his political philosophy. He envisions a society led by philosopher-kings, with a strict class system and communal living for the guardian class. This utopian vision aims to create a just and harmonious society.

Plato's ideas are rooted in his theory of forms, which posits a higher realm of perfect, unchanging ideals. This concept is illustrated through the famous allegory of the cave, highlighting the philosopher's role in guiding others towards true knowledge and justice.

Plato's Ideal State

Structure and Leadership of the Ideal State

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  • Plato's ideal state is described in his work "" which outlines a utopian society governed by philosopher-kings
  • The ideal state is led by a class of specially trained philosopher-kings who possess wisdom, rationality, and a deep understanding of justice
  • Below the philosopher-kings is the guardian class, a group of warriors who are responsible for protecting the state and enforcing its laws
  • The guardian class is told a "" that they are born with different metals in their soul (gold, silver, bronze) to justify the rigid class structure and their place in society
  • The ideal state heavily censors art, literature, and music to ensure that citizens are not exposed to ideas that could corrupt their morals or undermine the stability of the state

Communal Living and Social Structure

  • In the ideal state, there is no private property among the guardian class; instead, they live in a communistic society where everything is shared
  • The nuclear family is abolished and replaced with a communal system of child-rearing where children are raised by the state rather than by their biological parents
  • Plato's ideal state is a meritocracy where individuals are assigned roles and positions based on their abilities and talents rather than their family background or wealth
  • Social mobility between classes is rare, as Plato believed that each person has a natural aptitude for a particular role and should stick to that role for of the state
  • The ideal state is structured around the principle of specialization, where each person focuses on the task they are best suited for and does not interfere with the work of others

Theory of Forms

The Nature of Reality

  • Plato's theory of forms asserts that there are two levels of reality: the visible world of senses and the intelligible world of forms
  • The visible world is a mere shadow or reflection of the true reality, which is the world of forms
  • Forms are the perfect, eternal, and unchanging essences of things, such as beauty, justice, and goodness
  • exist independently of the physical world and can only be grasped through and philosophical contemplation

The Allegory of the Cave

  • Plato illustrates his theory of forms through the allegory of the cave, a story about prisoners who are chained in a cave and can only see shadows cast on the wall
  • The prisoners believe that the shadows are reality, but one prisoner breaks free and discovers the true nature of reality outside the cave
  • The freed prisoner represents the philosopher who has gained knowledge of the forms and must return to the cave to enlighten others
  • The allegory demonstrates the process of philosophical education, where individuals move from ignorance to knowledge of the true nature of reality

Psychology of Justice

The Tripartite Soul

  • Plato's concept of justice is closely tied to his understanding of the human soul, which he divides into three parts: reason, spirit, and appetite
  • The rational part of the soul is responsible for seeking truth and making wise decisions, while the spirited part is associated with courage and honor
  • The appetitive part of the soul is driven by basic desires and passions, such as hunger, thirst, and sexual desire
  • In a just individual, reason rules over the other parts of the soul, ensuring that each part performs its proper function and does not interfere with the others
  • Plato argues that justice in the individual soul is analogous to justice in the ideal state, where each class performs its proper function under the guidance of the philosopher-kings
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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.

© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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