The'Pure Theory of Law', a book by Hans Kelsen, posits that the law should be analyzed purely as a formal system of norms, without reference to its moral, political, or sociological implications. Kelsen argued that the validity of a law does not depend on its content, but on its conformity with a higher norm within the legal system.
Unraveling the Legal Mind of Hans Kelsen: The Ultimate Quiz on Austria's Legal Philosopher