Common Law represents the second biggest contemporary judicial system. Immanent to a historical process which led to the creation of a community, common law represents a form of social solidarity. It is not the result of any social consent to obey a law as much as it is the participation of the society, through its exceptions, to the process of elaborating the law by which it functions. So, society itself is through a sort of syncretism the common law.One the elementary concepts of common law is the doctrine of precedent which functions in parallel with organic laws in order to enhance both the results of judicial cases and the efficiency of the cases. In the English law, the testament is a representation of the wishes of a defunct person and the declaration of that persons wishes in relation to the belongings he wished to pass on after his death.