Legal system, this traditions using a primary to decide cases. When it falls, and then became a principle. When there's a litigation that has similar characteristics to occur shall be the first prosecution of a norm in falls.
This system gives priority to customary law. The main consideration is convicted of any place on the judging panel then became a principle. When a lawsuit is similar happens, it takes the first case as a criterion in the arbitration.
The law this system focus on customary. Using primarily in considering the case the difference, happened when the arbitration and become the principle. When trouble with similar happened to the main use of the first case is the norm in the decision casting.