Legal precedent

Definition and stakes

Sir John W. Salmond,  Jurisprudence (1913)

“ The true rule is that a custom, in order to be deprived of legal efficacy, must be so obviously and seriously repugnant to right and reason, that to enforce it as law would do more mischief than that which would result from the overturning of the expectations and arrangements based on its presumed continuance and legal validity. We shall see, when we come to discuss the theory of precedent, how the authority of judicial decisions is, in general, similarly conditional rather than absolute; a precedent which is plainly and seriously unreasonable may be overruled instead of followed. ”
Source: Gutenberg

Sir John W. Salmond,  Jurisprudence (1913)

“ It must be understood, however, that a declaratory precedent is just as truly a source of law as is one belonging to the other class. The legal authority of each is exactly the same. Speaking generally, the authority and legal validity of a precedent do not depend on whether it is, or is not, an accurate statement of previously existing law. Whether it is or is not, it may establish as law for the future that which it now declares and applies as law. ”
Source: Gutenberg

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