Prose Set Text Group 2 (2025–26): Plato, Republic Book 1, 336b–337a7 and 338a4–342 — OCR A-Level Greek

Test yourself on Prose Set Text Group 2 (2025–26): Plato, Republic Book 1, 336b–337a7 and 338a4–342 with OCR A-Level practice questions.

Start free

7 days Premium · Then the free plan continues · No card, no charge

Prose Set Text Group 2 (2025–26): Plato, Republic Book 1, 336b–337a7 and 338a4–342 explained

This topic covers the study of Plato's Republic, Book 1, specifically the sections 336b–337a7 and 338a4–342, as part of the Prose Literature component (Group 2) for the 2025–26 examination cycle.

What to demonstrate

Demonstration of detailed knowledge and understanding of the set text.
Identification, analysis, and evaluation of literary techniques, characterisation, and strength of argument.
Understanding of the social, cultural, and historical contexts of the text.

Show all 6 objectives

Ability to select relevant information from the set text to support arguments.
Clear, concise, and coherent presentation of information in English.
Use of appropriate technical terminology to describe literary features.

Prose Set Text Group 2 (2025–26): Plato, Republic Book 1, 336b–337a7 and 338a4–342 exam tips

Quick Revision Summary (Key Takeaway)

This study guide covers Plato's Republic Book 1, lines 336b–337a7 and 338a4–342, focusing on Thrasymachus' challenge to Socrates and his definition of justice as 'the advantage of the stronger'. It includes key concepts, examiner insights, worked solutions, and revision strategies for OCR A-Level Greek (Prose Set Text Group 2, 2025–26).

Topic Overview

This section of Plato's Republic (336b–337a7 and 338a4–342) presents the dramatic confrontation between Socrates and the sophist Thrasymachus. Thrasymachus bursts into the conversation, accusing Socrates of being ironic and demanding a clear definition of justice. He then provocatively defines justice as 'the advantage of the stronger' (τὸ τοῦ κρείττονος συμφέρον), meaning that in every city, the ruling power makes laws to benefit itself, and calls obedience to those laws 'justice'. This is a radical challenge to conventional morality, suggesting that justice is merely a tool of the powerful.

Socrates responds with his characteristic method of questioning, forcing Thrasymachus to clarify his terms. He gets Thrasymachus to admit that rulers can err, so they might make laws that are not to their own advantage. Then, using the analogies of the doctor and the ship captain, Socrates argues that every art (τέχνη) aims at the good of its subject, not the practitioner. Therefore, the true ruler, as a ruler, seeks the advantage of the ruled, not his own. This refutation is crucial because it establishes the idea that justice is not about self-interest but about the proper functioning of one's role in society.

This passage is foundational for understanding Plato's political philosophy and his theory of the ideal state. It introduces the concept of the philosopher-king, who rules not for personal gain but for the benefit of the whole. For OCR A-Level Greek, students must be able to translate the Greek accurately, analyse the rhetorical strategies, and discuss the philosophical arguments in detail. The passage also showcases Socratic irony and elenchus (cross-examination), which are key to Plato's method.

Key Concepts

→τὸ τοῦ κρείττονος συμφέρον: 'the advantage of the stronger' – Thrasymachus' definition of justice.
→The ruler as such vs. the ruler in a particular capacity: a ruler can make mistakes, but as a ruler, he aims at the good of the ruled.
→The art (τέχνη) analogy: medicine aims at health, ship-captaincy at safety, so ruling aims at the welfare of the citizens.
→Socratic irony and elenchus: Socrates feigns ignorance and uses cross-examination to expose contradictions in Thrasymachus' position.
→The distinction between the stronger (κρείττων) and the weaker (ἥττων) in political terms.

Marking Points

Demonstration of detailed knowledge and understanding of the set text.
Identification, analysis, and evaluation of literary techniques, characterisation, and strength of argument.
Understanding of the social, cultural, and historical contexts of the text.
Ability to select relevant information from the set text to support arguments.
Clear, concise, and coherent presentation of information in English.
Use of appropriate technical terminology to describe literary features.

Examiner Tips

💡Read the prescribed sections in English translation to understand the broader literary and philosophical context.
💡Ensure familiarity with the specific lines prescribed for the 2025–26 cycle.
💡Practice constructing sustained and coherent arguments for the essay section (Section C of Component 03).
💡Use the provided Bloomsbury anthology edition for consistent text and commentary.
💡Always quote the Greek text in your answers and translate it accurately. Use the prescribed edition's line numbers to reference specific phrases.
💡When discussing the argument, use the technical terms: τέχνη (art), συμφέρον (advantage), κρείττων (stronger), and explain their nuances.
💡For essay questions, structure your response with a clear thesis, then support it with textual evidence and analysis of the philosophical implications.

Common Mistakes

Misconception: Thrasymachus believes that might makes right in a simple sense. Correction: He means that the ruling power defines what is just, but he later admits that rulers can err, so they might not always act in their own interest.
Misconception: Socrates' refutation is based on the idea that rulers are altruistic. Correction: Socrates argues that the art of ruling, like any art, has the good of its subject as its end, not that rulers are personally selfless.
Misconception: The 'stronger' refers to physical strength. Correction: In this context, 'stronger' (κρείττων) means politically powerful – the ruling group in a city.

Revision Plan

1Week 1: Read the Greek text aloud and translate it yourself, using a commentary to check your understanding. Focus on lines 336b–337a7, noting the dramatic context and Thrasymachus' outburst.
2Week 2: Study the argument in 338a4–342. Break it down into steps: Thrasymachus' definition, Socrates' questions about rulers' fallibility, and the art analogy. Write a summary of the argument in your own words.
3Week 3: Practise past exam questions on this passage. Focus on translation, comprehension, and analysis questions. Time yourself to simulate exam conditions.
4Week 4: Review your notes and create flashcards for key Greek phrases and concepts. Discuss the philosophical implications with a study partner or teacher to deepen your understanding.

Exam Question Types

📋Translation: You will be asked to translate a passage from the set text into English. Practise translating the prescribed lines accurately, paying attention to particles and word order.
📋Comprehension: Questions may ask you to explain the meaning of specific Greek words or phrases, or to summarise Thrasymachus' argument. Use the Greek text to support your answers.
📋Analysis: You may be asked to analyse Socrates' method of refutation, or to discuss the significance of the art analogy. Structure your answer with a clear introduction, body, and conclusion.
📋Essay: A broader essay question might ask you to discuss Plato's view of justice as presented in this passage. Use evidence from the text and relate it to the wider context of the Republic.

Command Word Expectations (OCR)

Translate

You must produce an accurate English translation of the Greek passage, demonstrating understanding of grammar, syntax, and vocabulary. Marks are awarded for accuracy and fluency.

Explain

You need to clarify the meaning of a word, phrase, or argument. Use the Greek text to support your explanation and show how the parts relate to the whole.

Analyse

Break down the argument or passage into its components, showing how they work together. Discuss the techniques used (e.g., analogy, irony) and their effectiveness.

Discuss

Present a balanced view of the topic, considering different interpretations and evaluating the strengths and weaknesses of the argument. Use evidence from the text and wider philosophical context.

How Students Lose Marks (Examiner Pitfalls)

Pitfall: Students often confuse Thrasymachus' definition of justice with his later clarification, or fail to distinguish between the ruler as such and the ruler in a particular capacity.

❌ Weak Answer (Loses Marks):Thrasymachus says justice is whatever the ruler says, so might makes right.

Example improved answer:Thrasymachus defines justice as 'the advantage of the stronger' (τὸ τοῦ κρείττονος συμφέρον). He clarifies that by 'stronger' he means the ruling power in each city, and that rulers make laws to their own advantage, calling obedience to those laws 'just'. However, Socrates later forces him to admit that rulers, as rulers, aim at the advantage of the ruled, not themselves, because every art (τέχνη) seeks the good of its subject.

Examiner Tip: Always quote the Greek phrase and explain the precise meaning of κρείττων (stronger) and συμφέρον (advantage). Show you understand the distinction between the ruler as a ruler and the ruler as a private individual.

Pitfall: Students often fail to explain the analogy of the doctor and the ship captain, which Socrates uses to prove that the true ruler seeks the advantage of the ruled.

❌ Weak Answer (Loses Marks):Socrates says the doctor helps the patient, so the ruler helps the people.

Example improved answer:Socrates argues that every art (τέχνη) is not concerned with its own advantage but with the good of its subject. For example, medicine (ἰατρική) aims at the health of the patient, not the doctor; the ship captain aims at the safety of the sailors, not his own. Similarly, the true ruler, as a ruler, considers the advantage of the ruled, not his own. This undermines Thrasymachus' definition.

Examiner Tip: Use the Greek terms for art (τέχνη) and advantage (συμφέρον) and explain the logical structure: if art X is for the benefit of Y, then ruling, being an art, is for the benefit of the ruled.

Step-by-Step Worked Solutions

Question: Explain Thrasymachus' definition of justice as 'the advantage of the stronger' and how Socrates refutes it in the given passage (336b–337a7 and 338a4–342).

1.Step 1: State Thrasymachus' definition: justice is what is advantageous to the stronger (τὸ τοῦ κρείττονος συμφέρον).
2.Step 2: Explain that 'stronger' means the ruling power in each city, and that rulers make laws to their own advantage.
3.Step 3: Describe Socrates' refutation: he gets Thrasymachus to agree that rulers can make mistakes, so they might make laws that are not to their advantage.
4.Step 4: Then Socrates argues that every art aims at the benefit of its subject, not itself, using the examples of medicine and ship-captaincy.
5.Step 5: Conclude that the true ruler, as a ruler, seeks the advantage of the ruled, not his own, thus contradicting Thrasymachus.

Final Answer: Thrasymachus defines justice as the advantage of the stronger, but Socrates refutes this by showing that rulers, as rulers, aim at the advantage of the ruled, not themselves.

Question: Analyse the significance of the analogy of the doctor and the ship captain in Socrates' argument against Thrasymachus (338a4–342).

1.Step 1: Identify the analogy: the doctor (ἰατρός) and the ship captain (κυβερνήτης) are used as examples of craftsmen who practice an art (τέχνη).
2.Step 2: Explain that the doctor's art aims at the health of the patient, not the doctor's own benefit.
3.Step 3: Similarly, the ship captain's art aims at the safety of the sailors, not his own.
4.Step 4: Socrates generalises: every art seeks the advantage of its subject, not itself.
5.Step 5: Apply this to ruling: ruling is an art, so the ruler, as a ruler, seeks the advantage of the ruled, not his own.
6.Step 6: Conclude that this refutes Thrasymachus' definition, because the stronger (ruler) should act for the benefit of the weaker (ruled).

Final Answer: The analogy shows that every art benefits its subject, so ruling, as an art, benefits the ruled, not the ruler, contradicting Thrasymachus.

Active Recall Memory Test

What is Thrasymachus' definition of justice in Republic Book 1?

Key Fact: Justice is 'the advantage of the stronger' (τὸ τοῦ κρείττονος συμφέρον).

What analogy does Socrates use to show that the ruler seeks the advantage of the ruled?

Key Fact: The doctor and the ship captain: both arts aim at the good of their subjects, not the practitioner.

What does Thrasymachus mean by 'stronger' (κρείττων)?

Key Fact: The ruling power in a city, not necessarily physically strong.

What is the significance of the line 'οὐκ ἄλλο τι ἢ τὸ τοῦ κρείττονος συμφέρον'?

Key Fact: It is Thrasymachus' key definition of justice, which Socrates sets out to refute.

Frequently Asked Questions

What does 'the advantage of the stronger' mean in Plato's Republic?

Thrasymachus argues that in any city, the ruling group (the stronger) makes laws to benefit itself. Justice, then, is simply obeying those laws. This is a cynical view that morality is a tool of the powerful. Socrates challenges this by showing that rulers, as rulers, should aim at the good of the ruled, just as a doctor aims at the health of the patient.

Why does Socrates use the doctor analogy in Republic Book 1?

Socrates uses the doctor analogy to illustrate that every art (τέχνη) has the welfare of its subject as its goal. A doctor's art is for the patient's health, not the doctor's profit. Similarly, the art of ruling is for the benefit of the citizens, not the ruler's own advantage. This refutes Thrasymachus' claim that justice is the advantage of the stronger.

How does Thrasymachus define justice in the Republic?

Thrasymachus defines justice as 'the advantage of the stronger' (τὸ τοῦ κρείττονος συμφέρον). He means that in every city, the ruling power makes laws to serve its own interests, and calls obedience to those laws 'justice'. So, what is just is whatever benefits the ruling class.

What is the main argument between Socrates and Thrasymachus in Book 1?

The main argument is over the nature of justice. Thrasymachus claims that justice is simply the advantage of the stronger, i.e., the ruling power. Socrates argues that justice is not about self-interest but about fulfilling one's proper role, and that the true ruler, like a doctor, acts for the benefit of the ruled. This debate sets the stage for the rest of the Republic.

What is the significance of the passage 336b–337a7 in Plato's Republic?

This passage is where Thrasymachus interrupts the conversation, accusing Socrates of irony and demanding a clear definition of justice. It marks a turning point in the dialogue, as Thrasymachus presents a radical challenge to conventional morality. His definition of justice as the advantage of the stronger forces Socrates to develop a more robust theory of justice, which he does in later books.

How does Socrates refute Thrasymachus' definition of justice?

Socrates refutes Thrasymachus by getting him to admit that rulers can make mistakes, so they might not always act in their own interest. Then, using the analogy of the doctor and the ship captain, Socrates argues that every art aims at the good of its subject. Therefore, ruling, as an art, aims at the good of the ruled, not the ruler. This contradicts Thrasymachus' definition.

Prose Set Text Group 2 (2025–26): Plato, Republic Book 1, 336b–337a7 and 338a4–342 explained

What to demonstrate

Prose Set Text Group 2 (2025–26): Plato, Republic Book 1, 336b–337a7 and 338a4–342 exam tips

More OCR A-Level Greek topics

Cookies on MasteryMind