The rationality of law including substantive rationality and formal rationality is the unity of values and truth and also the unity of the neediness and regularity.
法的合理性，包括法的实质合理性与形式合理性，是法的价值性与真理性的统一，是法的合需要性与合规律性的统一。
Substantive rationality of law is a category relative to its formal rationality.
法律的实质理性是与法律的形式理性相对应的范畴。
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