In Law, a commutation of sentence occurs when an executive head of government reduces a sentence for a criminal action. Unlike a pardon, however, a commutation does not nullify the conviction and is often conditional. Commutations are normally linked to good behavior. Law (a loanword from Old Norse lag), in politics and jurisprudence, is a set of rules or norms of conduct which mandate, proscribe or permit specified relationships among people and organizations, provide methods for ensuring the impartial treatment of such people, and provide punishments for those who do not follow... A pardon is the forgiveness of a crime and the penalty associated with it. ...
A social law is a rule that forbids or requires a given conduct of all members of a community.
Laws are established by custom or through adoption by a legislature, that is, a group of people given the power to make laws.
The laws of mathematics were developed by professional and highly expert mathematicians who staked their careers on the fact that, if followed conscientiously, their mathematical procedures would result in arithmetic and algebraic solutions that were correct in every way.