CTI 302 — Republic IV, 419a–435a | Sep 14 Pre-Class

28 flashcards for Monday, September 14, 2026: Plato, Republic IV, 419a–435a. Emphasis: Adeimantus’s objection, the statue, civic justice, and the sticks of justice. Original paraphrases with Stephanus references; discussion prompts are labeled. Assignment and study questions: https://utexas.instructure.com/courses/1458104/discussion_topics/5824491 . Assigned translation: Allan Bloom. Text consulted: https://www.marcellodibello.com/PHI171/resources/Plato-Republic-b4.pdf ; cross-check: https://classics.mit.edu/Plato/republic.5.iv.html .

What is Adeimantus’s objection at the start of Book IV? (419a–420a)

The guardians control the city but lack the property, money, comforts, and leisure normally associated with happiness. They seem like hired soldiers who only keep watch.

How does Socrates first answer the objection about unhappy guardians? (420b–421c)

The city is being founded for the happiness of the whole, rather than exceptional happiness for one class. Guardians must perform their proper work; Socrates also leaves open that this life may make them happiest.

What happens in the painted-statue analogy? (420c–d)

A critic wants the statue’s eyes painted purple because that is a beautiful color. Socrates replies that the color must suit eyes and contribute to the beauty of the entire statue.

How does the statue analogy answer Adeimantus? (420d–421a)

The eyes represent a part of a whole, like guardians within the city. Giving guardians luxuries that undermine their work would spoil the whole, just as beautifying eyes inappropriately spoils the statue.

What question remains about Socrates’s reply to Adeimantus?

Discussion point: Does the happiness of the whole guarantee the happiness of its members? The analogy supports proper functioning, but does not by itself prove that guardians personally benefit from their restrictions.

Why must the city guard against both wealth and poverty? (421d–422a)

Wealth encourages luxury and idleness; poverty deprives workers of tools and training. Both damage craftsmanship and promote political change.

How can a city without wealth defend itself? (422a–423a)

Its guardians are trained fighters, unlike wealthy amateurs. It can offer allies the enemy’s spoils and exploit divisions between rich and poor in other cities.

Why does Socrates call other cities many cities? (422e–423a)

They contain opposed groups, especially rich and poor, with further factions inside each. Apparent political unity can hide conflicting interests.

What should limit the city’s growth? (423b–d)

It should grow only while remaining one unified, sufficient city. Each person should do the work suited to their nature; children should be assigned roles by aptitude rather than parentage alone.

Why are education and rearing central to preserving the city? (423e–424b)

Good education produces good character, which sustains and improves the city’s practices. Properly educated citizens can work out many details without endless new regulations.

Why does Socrates resist changes in musical education? (424b–425a)

He thinks changes in music can gradually change character, customs, private dealings, and finally laws and the political order. Apparently harmless novelty can undermine the city’s foundations.

What do the sick-patient and Hydra images criticize? (425e–426e)

Repeatedly patching laws while preserving bad habits or a bad regime. Like a patient refusing a healthy life, or cutting heads from a Hydra, such reform treats recurring symptoms without removing their source.

What four virtues does Socrates seek in the city? (427e)

Wisdom, courage, moderation, and justice.

How does Socrates use elimination to look for justice? (427e–428a; 432b–433b)

Assuming the properly founded city is completely good and has all four virtues, he identifies wisdom, courage, and moderation, then seeks the remaining virtue: justice.

What makes the city wise? (428b–429a)

The ruling guardians possess knowledge that deliberates well about the good of the whole city, including its internal and external relations. Specialized craft knowledge is insufficient.

What makes the city courageous? (429a–430c)

The auxiliaries preserve the lawful belief, acquired through education, about what should and should not be feared, despite pleasure, pain, fear, and desire.

How does the dyeing analogy explain courage? (429d–430b)

Selection and education prepare guardians like wool prepared for dye. Lawful beliefs become lasting color; pleasure, pain, fear, and desire are the agents that might otherwise wash it out.

What does being stronger than oneself mean in the discussion of moderation? (430e–431b)

The better element controls the worse. The phrase otherwise seems paradoxical because the same self would be both stronger and weaker.

What is moderation in the city? (431d–432a)

Agreement throughout the city about who should rule: rulers and ruled share the judgment that the naturally better should govern. It is a harmony extending across all classes.

How does moderation differ from wisdom and courage? (431e–432a)

Wisdom makes the city wise through its rulers; courage makes it courageous through its fighters. Moderation is shared agreement across the whole city.

What is justice in the city? (433a–434c)

Each of the three classes performs its own appropriate function without taking over the others’ work: producers provide, auxiliaries defend, and rulers govern.

Why has justice been present from the city’s beginning? (433a–b)

The founding principle was that each person should perform the work best suited to their nature. Socrates now recognizes this specialization as central to civic justice.

How does justice sustain the other virtues? (433b–c)

By keeping each part at its proper work, justice allows wise rulers to rule, courageous auxiliaries to defend, and shared agreement about rule to endure.

How does judging disputes support the account of justice? (433e–434a)

Judges aim to prevent people from taking what belongs to others or losing what is their own. This supports the connection between justice and having and doing what properly belongs to oneself.

What is the most destructive civic injustice? (434a–c)

An unqualified person or class takes over another class’s function, especially governing or defending. Socrates treats this confusion as far more harmful than an exchange between ordinary crafts.

What are the two sticks in the sticks-of-justice image? (434d–435a)

The city and the individual, considered as two cases in which justice may be found. They are not two competing classes or literal instruments of punishment.

What does rubbing the sticks together mean? (434e–435a)

Compare the account of justice in the city with justice in an individual. If they disagree, return to the city and test again. The spark is clearer understanding of justice emerging through reciprocal comparison.

Why is the sticks image important to the argument? (434d–435a)

The city was constructed to make justice easier to see on a larger scale. Its definition must still be tested in the individual; the analogy is a method of inquiry, not an already completed proof.