foul play (sport); breaking the rules; infringement; irregularity
principle; general rule; as a rule; in principle; in general
school rules; school regulations
physical law; laws of physics
correct; proper; formal; invertible (matrix); holomorphic
law of nature; natural law
natural law; rule of heaven
society regulations; club regulations; constitution
four (fundamental) rules of arithmetic
by-laws; detailed regulations
infringement; violation; breach of regulations; infraction
prison regulations; prison rules
fair and equitable principle
general provisions; general rules
party rules; party regulations
law of thermodynamics; laws of thermodynamics
(in China) 9th note of the ancient chromatic scale (approx. A sharp); seventh lunar month
general rules or principles
Act on Port Regulations (1948)