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NotesPhilosophy HLTopic 4.2
Unit 4 · Ethics · Topic 4.2

IB Philosophy HL — Meta-ethics

Topic 4.2 of IB Philosophy covers Meta-ethics, which is part of Unit 4: Ethics. Students explore key concepts including Where do moral values come from?, Moral realism vs anti-realism, Relativism vs universalism, What does “good” mean?. A strong understanding of meta-ethics is essential for IB Philosophy HL exams and builds the foundation for connected topics across the syllabus.

Higher Level students should use this topic hub as a map: start with the shared sub-topics, then follow the HL-only extensions and exam-skill links where this topic asks for deeper analysis.

Exam technique guidePractice questions

Key concepts in Meta-ethics

Key Idea: Topic 4.2 steps BACK from 'what should I do?' to a harder question: what is a moral claim even DOING? When you say 'cruelty is wrong', are you stating a fact, or just voicing a feeling? This is meta-ethics. It feeds Paper 1 Section B, a 25-mark "Evaluate the claim that…" essay. Get this topic and you can attack the deepest claim of all — whether morality is real.

🔍 The four big questions, one card each

Topic 4.2 at a glance

  1. 4.2.1 · Where do values come from? — Are moral values DISCOVERED (out there, like maths) or INVENTED (made by us)? Candidate sources: reason, feeling, God, culture. The sharpest clash is reason vs feeling — is morality something you work out, or something you feel?
  2. 4.2.2 · Realism vs anti-realism — Is 'cruelty is wrong' a FACT? Realism: yes — moral facts exist independently of what anyone thinks. Anti-realism: no — values come from us, from our attitudes or agreements. This is the central meta-ethical split.
  3. 4.2.3 · Relativism vs universalism — Is morality the same for everyone? Relativism ties right and wrong to a culture and gains an appeal to tolerance. But its cost is brutal: it can't consistently condemn cruelty in another society. Universalism holds some things are wrong everywhere.
  4. 4.2.4 · What does 'good' mean? — When you say 'wrong', what are you DOING? Cognitivism: stating a belief that's true or false. Non-cognitivism: expressing something else. Emotivism: you're voicing approval or disapproval — 'boo, cruelty!' — not describing a fact.
Cognitivism says moral statements are beliefs that can be true or false — 'stealing is wrong' describes something. Non-cognitivism says they are NOT true-or-false at all — they express feelings, commands or attitudes ('boo, stealing!'). Almost every meta-ethics question comes back to this fork: is moral language describing the world, or doing something else entirely?

✍️ Bring it together — a Section B question

IB-style questionEvaluate[25 marks]

Evaluate the claim that moral judgements are nothing more than expressions of feeling.

Model answer plan

See the mark-by-mark plan — for / against / judgement, with marking guidance — in study mode.

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Important: Sliding into normative ethics — arguing about whether cruelty IS wrong, instead of the meta-ethical question of what saying 'wrong' MEANS. Meta-ethics is one level up: it's about the STATUS of moral claims (fact or feeling, discovered or invented), not about which acts are good. Keep asking 'what is a moral judgement doing?', not 'what should we do?', and always reach a reasoned conclusion.

✅ Check yourself

If you can answer these six, you have the spine of the whole topic.

Discovered vs invented values? Discovered = values exist independently, like maths (realism). Invented = values are made by us, from reason, feeling or culture (anti-realism).

Moral realism in one line? Some things really ARE right or wrong as facts, independent of what anyone thinks or feels — moral facts exist.

Cognitivism vs non-cognitivism? Cognitivism: moral claims are beliefs, true or false. Non-cognitivism: they're not true-or-false — they express feelings, commands or attitudes.

What is emotivism? A non-cognitivist view: 'X is wrong' just expresses disapproval — 'boo, X!' — rather than stating a fact.

The cost of relativism? Tying morality to a culture wins tolerance but loses the power to condemn cruelty in another society — you can't call it truly wrong.

How is meta-ethics different from normative ethics? Normative ethics asks WHICH acts are right. Meta-ethics asks what moral claims ARE — their meaning, truth and source. One level up.

Exam tips

  • Section B is a 25-mark 'Evaluate the claim that…' essay with NO stimulus — structure and evaluation carry the marks.
  • Stay at the meta-level: about the STATUS of moral claims, not which acts are good.
  • Name a position ONLY with its argument — 'emotivism' or 'realism' alone earns nothing.
  • Use rival meta-ethical views against the claim, then end on a reasoned conclusion, not a list.

What you'll learn in Topic 4.2

  • 4.2.1 Where do moral values come from?
  • 4.2.2 Moral realism vs anti-realism
  • 4.2.3 Relativism vs universalism
  • 4.2.4 What does “good” mean?
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 4.2 Meta-ethics

4.2.1

Where do moral values come from?

Notes
4.2.2

Moral realism vs anti-realism

Notes
4.2.3

Relativism vs universalism

Notes
4.2.4

What does “good” mean?

Notes

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Topic 4.2 Meta-ethics forms a core part of Unit 4: Ethics in IB Philosophy HL. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

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