CHAPTER 4 Jurisprudence: Theory and Context
PART I—outline
CHAPTER 4: Hans Kelsen's Pure Theory of Law
Outline
Main Idea: The passage introduces Hans Kelsen, a prominent Austrian legal theorist, and highlights the complexity of summarizing his views due to the evolution of his thoughts over four decades and the nuances of his theory.
Subtopics with explanations:
3. Approach to presenting Kelsen's theory: The portrayal of Kelsen's theory will focus on general themes that persisted throughout his writings, while acknowledging that this will be a simplification of the full complexity and evolution of his ideas.
I was surprised by the fact that Kelsen's views changed over time in subtle but important ways i was expecting a static, well-defined theory from such an influential thinker.
THE PURE THEORY OF LAW
Main Idea: Hans Kelsen's Pure Theory of Law focuses on the normative aspect of law, arguing that legal statements imply a foundational norm (Grundnorm) that gives them validity.
Subtopics with Explanations:
1. Normativity of Law: Kelsen's theory emphasizes that law is normative, meaning it prescribes how people ought to act. He separates law from moral judgments, political biases, and sociological conclusions.
2. Chain of Justification: Kelsen argues that normative claims can only be grounded on other normative claims. This chain of justification eventually leads to a foundational argument that is accepted "on faith."
3. Grundnorm (Basic Norm): Kelsen introduces the concept of the Grundnorm, which is the foundational norm that gives validity to a legal system. It's presupposed by any affirmation of individual legal rules.
4. Static and Dynamic Levels of Law: Kelsen's theory operates on two levels: static (justification of norms by more general norms) and dynamic (authorization of more specific norms by legal officials).
5. What surprised me the most is likely the discussion on the Grundnorm and how it relates to the chain of justification.
6. (My Question: why KELSEN theory doesn’t have an end or beginning?)
REDUCTION AND LEGAL THEORY
The main idea of this section is the concept of reduction in legal theory, specifically Hans Kelsen's attempt to simplify all legal norms into a single framework of authorizations to officials to impose sanctions, and the limitations and potential distortions of such an approach.
Subtopics with Explanations:
1. Kelsen's Theory: Kelsen's legal theory posits that all laws can be understood as authorizations to officials to impose sanctions. He would rephrase laws like "you shall not murder" as instructions to officials to impose sanctions on those who commit such acts.
2. Limitations of Kelsen's Theory: The theory struggles to explain why officials are bound to impose sanctions, and it becomes particularly awkward when applied to civil laws, such as those governing the formation of wills.
What surprised the most is likely the part where Kelsen's theory is applied to civil laws, such as the formation of wills.
HART VERSUS KELSEN
The main idea of this section is to compare and contrast the legal theories of H.L.A. Hart and Hans Kelsen, particularly in relation to their views on the normativity of law and how to distinguish a legal system from the orders of gangsters.
Subtopics with Explanations:
1. The Gangster/Law Question: Both Hart and Kelsen try to answer how to differentiate between a legal system and the orders of gangsters. Hart focuses on the internal aspect of rules and the attitudes of citizens, while Kelsen's response centers on whether citizens see the actions of those in power as legitimate or not.
2. Legal Positivism: Both Hart and Kelsen are linked by their legal positivist approach, which analyzes the difference between gangsters and legitimate government without making moral judgments.
3. Differences in Notion of Normativity: Hart reduces normativity to social facts, while Kelsen resists this reduction and emphasizes the abstract nature of normativity.
4. Methodological Differences: Hart's analysis is based on close attention to actual practices and linguistic usage, whereas Kelsen's approach is more abstract and logical.
5. Similarities and Differences between Basic Norm and Rule of Recognition: Both concepts rely on chains of normative validity, but Hart's rule of recognition is grounded in analytical description of actual practices, while Kelsen's Basic Norm is a neo-Kantian transcendental deduction.
6. I was surprised the most about the similarities and differences between Hart's rule of recognition and Kelsen's Basic Norm.
ON THE NATURE OF NORMS
The main idea of this section is to discuss the challenges and complexities that Hans Kelsen faced in his later work, particularly in relation to the nature of norms and how they function within a legal system.
Subtopics with Explanations:
1. Kelsen's Confusion: Kelsen became entangled in questions about the nature of norms, which led to confusion between norms as sentence-meanings and norms as contingent entities created by social events.
2. Impact on Kelsen's Theory: This line of inquiry led to changes in Kelsen's theory over time and resulted in some unusual notions in his later work.
3. Challenges for Theorists: The problem of the existence, meaning, and logic of norms remains a difficult one for all theorists, including Kelsen and Hart.
What surprised me the most was likely the criticism of Kelsen's later work and the comparison to Hart's work. Specifically, the statement that Hart's work deals with the challenges of norms "much less awkwardly" than Kelsen's later work might surprise readers who are familiar with Kelsen's influential contributions to legal theory.
PART II —lecture
Lecture on Hans Kelsen’s Pure Theory of Law (Chapter 4)
Good afternoon, everyone. Today, we are moving into one of the most challenging, yet most influential, figures in legal philosophy: Hans Kelsen.
Kelsen was an Austrian jurist, trained in law and philosophy, who made monumental contributions to both constitutional and international law. He even helped draft the Austrian constitution — which, remarkably, is still in use today. Later, fleeing Nazi Europe, he spent his final years teaching in the United States.
Now, what makes Kelsen important to us in jurisprudence is his Pure Theory of Law. But before we dive into it, we need to understand why it is called pure.
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1. The Aim of the Pure Theory of Law
Kelsen wanted to create a theory of law that was independent of morality, politics, or sociology.
• Law, he argued, should not be confused with moral ideals (“this is just or unjust”), nor with political power struggles (“this is what rulers want”), nor with sociological descriptions (“this is how people behave”).
• Instead, the theory should be “pure” — meaning it looks at law strictly as a system of norms.
So Kelsen’s main question is: What makes legal norms valid, and how do they hang together as a system?
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2. Law as Normative
Kelsen begins with a simple but powerful observation: law is normative.
• When the law speaks, it does not simply describe; it prescribes.
• Example: The law doesn’t say, “People usually don’t steal.” Instead, it says, “You shall not steal.”
This makes law different from sociology or history, which describe facts. Law is about obligations, permissions, and prohibitions.
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3. The Chain of Justification and the Grundnorm
But here comes the tricky part: If law is normative, where does its authority come from?
• A legal norm is justified by a higher legal norm.
• For example: “Do not steal” is valid because it comes from a criminal code.
• The criminal code is valid because it comes from the constitution.
• But this chain of justification cannot go on forever.
Kelsen solves this by introducing the Grundnorm — the Basic Norm.
• The Grundnorm is not written down anywhere.
• It is a presupposed starting point, like an axiom in mathematics.
• For example, in the United States, the Grundnorm could be something like: “The Constitution shall be obeyed.”
This Grundnorm is accepted “on faith.” Without it, the whole system collapses.
This explains your good question: Why does Kelsen’s theory not have a clear beginning or end?
• Because every legal norm gets its validity from another norm, and at the top of this chain, we must assume the Grundnorm.
• That assumption is not provable — it is presupposed.
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4. Static vs. Dynamic Law
Kelsen further distinguishes two levels in law:
• Static: each norm is justified by a more general norm. (E.g., contract rules come from civil law statutes.)
• Dynamic: new norms are created by authorized officials. (E.g., Parliament passes new statutes, judges apply law to cases.)
This shows how law is not only a logical system but also a living, changing system.
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5. Reduction: Law as Sanctions
Kelsen also tries to simplify law by saying: all laws can ultimately be seen as instructions to officials to apply sanctions.
• Example: Instead of “You shall not murder,” the law actually means: “If someone murders, officials must punish them.”
• This makes sense for criminal law but is awkward for civil law.
• Example: If the law says, “This is how to make a valid will,” it’s not really about punishment.
So, while reduction makes theory neat, it also risks distorting how laws actually function.
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6. Hart versus Kelsen
Let’s compare Kelsen to H.L.A. Hart, who we studied earlier.
• Both are legal positivists. Both want to separate law from morality.
• But they differ in method:
• Hart grounds law in social facts: the “internal point of view” of citizens and officials.
• Kelsen grounds law in logic and normativity: the presupposed Grundnorm.
Both also faced the gangster question: How do we distinguish law from the orders of a criminal gang?
• Hart: Look at whether people treat the rules as binding, from the “internal aspect.”
• Kelsen: Look at whether the system has legitimacy, ultimately tied to the presupposed Grundnorm.
Another fascinating comparison: Hart’s Rule of Recognition vs. Kelsen’s Grundnorm.
• Both serve as the foundation for legal validity.
• But Hart’s rule of recognition is an empirical description of what officials do.
• Kelsen’s Grundnorm is a transcendental assumption, more philosophical and abstract.
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7. Kelsen’s Later Work and the Nature of Norms
In his later years, Kelsen became caught up in very technical debates about what exactly a norm is.
• Is a norm a meaning (like a sentence)? Or is it a social fact (something created by acts like legislation)?
• His efforts here became, frankly, confusing and less convincing.
• Many scholars feel that Hart’s handling of norms was “less awkward” and more practical than Kelsen’s later refinements.
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8. Takeaways
• Kelsen’s Pure Theory of Law gives us a systematic, logical picture of law as a hierarchy of norms.
• The Grundnorm is his unique solution to the problem of ultimate validity.
• His theory clarifies the difference between law, morality, and politics — but also risks becoming too abstract.
• Compared to Hart, Kelsen is more philosophical; Hart is more empirical.
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9. What to Remember for Exams
• Grundnorm = presupposed basic norm that grounds legal validity.
• Normativity = law prescribes, it doesn’t describe.
• Reduction = law as instructions to officials to impose sanctions (strength: clarity, weakness: oversimplification).
• Kelsen vs. Hart = transcendental vs. social practice foundations.
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That concludes our lecture on Kelsen. Next, we’ll examine how later scholars have responded to both Kelsen and Hart, shaping contemporary jurisprudence.
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Perfect. Here’s a 10-question interactive quiz based on Chapter 4: Kelsen’s Pure Theory of Law. Some are multiple-choice, some short-answer, to really test your grasp.
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Quiz on Hans Kelsen’s Pure Theory of Law
1. Multiple Choice
What does Kelsen mean by calling his theory “pure”?
A. It includes morality and politics.
B. It excludes morality, politics, and sociology.
C. It focuses only on religious principles.
D. It reduces law to economic efficiency.
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2. Multiple Choice
Which of the following best describes Kelsen’s view of law?
A. Law describes social behavior.
B. Law is normative and prescribes how people ought to act.
C. Law is essentially morality written down.
D. Law is the will of the sovereign backed by threats.
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3. Short Answer
What is the Grundnorm, and why is it important in Kelsen’s theory?
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4. Multiple Choice
Kelsen’s concept of law as a chain of justification means:
A. Every legal rule is valid because of morality.
B. Every legal rule is valid because of another higher legal rule.
C. Every legal rule is valid only if officials enforce it.
D. Every legal rule is valid only if it is socially accepted.
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5. Multiple Choice
How does Kelsen reinterpret the law “You shall not murder”?
A. As a moral prohibition.
B. As a description of social behavior.
C. As an instruction to officials to punish murderers.
D. As an example of divine law.
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6. Short Answer
What difficulty does Kelsen’s theory face when applied to civil law, such as the law of wills?
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7. Multiple Choice
Which of the following best describes the difference between Hart and Kelsen on the foundation of law?
A. Hart uses the Grundnorm, while Kelsen uses the Rule of Recognition.
B. Hart grounds law in social practices, while Kelsen grounds law in a presupposed norm.
C. Hart and Kelsen both believe law is ultimately morality.
D. Hart and Kelsen both deny the importance of officials.
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8. Multiple Choice
Hart’s Rule of Recognition differs from Kelsen’s Grundnorm because:
A. Hart’s is descriptive of actual practices, while Kelsen’s is transcendental.
B. Hart’s is philosophical, while Kelsen’s is sociological.
C. Hart’s is about morality, while Kelsen’s is about politics.
D. Hart’s is static, while Kelsen’s is dynamic.
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9. Short Answer
How does Kelsen attempt to distinguish a legal system from the orders of a gangster?
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10. Reflection Question
Kelsen’s later work struggled with the nature of norms. Do you think his difficulty shows the weakness of an abstract theory of law, or is it simply the unavoidable complexity of legal philosophy? (Briefly explain your opinion.)
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Excellent effort — you’re really grasping the essentials of Kelsen! Let’s go through the answer key together so you can see where you were right and where there’s room for tightening up the explanation.
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✅ Answer Key
1. B – Correct.
Kelsen’s theory is “pure” because it excludes morality, politics, and sociology, focusing only on law as a system of norms.
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2. B – Correct.
Law is normative — it prescribes how people ought to act, not how they do act.
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3.
Your answer: “Grundnorm is not a norm by itself but an assumption of norms followed by societies. It’s important because laws are binding on individuals.”
✔ You’ve got the right idea. A refinement:
The Grundnorm is a presupposed basic norm, not enacted or written. It is assumed to exist in order to ground the validity of all other norms. It matters because without this presupposition, the whole chain of legal validity would collapse.
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4. B – Correct.
Every legal rule is valid because of another higher legal rule, up the chain of justification.
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5. C – Correct.
“You shall not murder” = instruction to officials to punish murderers.
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6.
Your answer: “In Kelsen’s pure theory of law, it tends to be fixed and can only be applied to public law, but to private law it runs into difficulties due to the application of strict statutes.”
✔ Very good. To polish:
The problem is that reduction to sanctions works for criminal law but not civil law. For example, the law on how to make a valid will is not really about sanctions — it’s about enabling certain actions. Kelsen’s theory struggles here.
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7. A – ❌ Not quite.
Correction: The right answer is B.
• Hart grounds law in social practices (the “internal point of view” of officials).
• Kelsen grounds law in a presupposed norm (the Grundnorm).
👉 You swapped their roles.
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8. A – Correct.
Hart’s rule of recognition is descriptive (about what officials actually do), while Kelsen’s Grundnorm is transcendental (a philosophical assumption).
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9.
Your answer: “The key difference is that Kelsen looks for legitimacy; thus, does a gangster have legitimacy? No, then it’s not law.”
✔ This is on target. A sharper phrasing:
For Kelsen, a legal system is valid only if norms derive from the presupposed Grundnorm. A gangster’s orders lack this foundation of legitimacy, so they are not law.
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10.
Your answer: “Weakness of an abstract theory of law when applied to procedural law. It doesn’t rely on normative moral justifications to follow in applying it.”
✔ Nice. You’ve identified that Kelsen’s abstraction becomes a weakness — it struggles with practical application, especially when compared with Hart’s more concrete approach.
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Kelsen vs. Hart Comparison Chart
Aspect | Hans Kelsen (Pure Theory of Law) | H.L.A. Hart (Concept of Law) |
Foundation of Law | Validity comes from a chain of norms, ultimately presupposed in the Grundnorm (Basic Norm). | Validity comes from the Rule of Recognition, a social practice among officials. |
Nature of Law | Normative system: law prescribes what ought to be done. | Social practice: law exists where officials and citizens adopt an internal attitude toward rules. |
Relation to Morality | Strict separation: law and morality are distinct. | Also separates law and morality (positivist), but recognizes overlap in practice. |
Normativity | Transcendental: law’s “ought” is grounded in the presupposed Grundnorm. | Empirical: normativity is explained by officials’ acceptance of rules (social fact). |
Gangster Question | A gangster’s orders lack legitimacy because they do not derive from a valid Grundnorm. | A gangster’s orders lack the internal acceptance that makes rules binding in a legal system. |
Key Concept | Grundnorm: presupposed, not written, necessary for the validity of legal norms. | Rule of Recognition: an accepted practice among officials that identifies valid laws. |
Method | Abstract, logical, neo-Kantian philosophy. | Analytical, descriptive, based on ordinary language and practices. |
Strengths | Coherent, logical system; emphasizes autonomy of law from morality/politics. | Realistic, grounded in how legal systems actually function. |
Weaknesses | Too abstract; struggles with private/civil law; later writings on norms became confusing. | Less philosophically ambitious; may not capture deeper normative foundations. |
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