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to follow (a rule, precedent, style, etc.); to conform to; to be in accordance with
憲法に法って国の運営が行われるべきだ。
The country should be governed in accordance with the constitution.
先例に法った判断が裁判所で下された。
A ruling following precedent was handed down by the court.
伝統の作法に法って茶会が催された。
A tea ceremony was held in accordance with traditional etiquette.