Jeremy Bentham, the founder of modern utilitarianism and a key figure in the Analytical School, made this important distinction to classify the study of law.
Expository Jurisprudence: This deals with the law as it actually exists, without regard to its morality or fairness.
Its aim is simply to describe and analyze "what the law is.
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Censorial Jurisprudence: This deals with the law as it ought to be.
It is a critical or evaluative approach, judging the law against an external standard, such as Bentham's own principle of utility, to determine "what the law should be.
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