Correct option is B
Hans Kelsen, an Austrian jurist, introduced the "Pure Theory of Law," which describes the legal system as a hierarchy or pyramid of norms, with the Grundnorm (basic norm) at the top.
Information Booster
Kelsen’s theory is based on the idea that each legal rule derives its validity from a higher norm, ultimately leading to a basic norm that forms the foundation of the entire legal system.
Additional Knowledge
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Austin: Developed the command theory of law.
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Salmond: A legal positivist but did not propound a theory like Kelsen’s.
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Fuller: Known for his work on law and morality.