In rich and great ancient Rome law, We can note: Some special system, it was different with the strict attention over-detailed formalities ancient times legal system, it looked like one to surge in the Roman law history perpetual flow running water which slow inundated, it was in the Roman law judge system.

Therefore, an exact understanding of the word of praetor should be done according to different period and function and we can translate it to judge, but better as vice-executive.