Ars Boni Et Aequi Or Artificial Boni Et Aequi? Why AI Cannot Replace Lawyers

Most lawyers are familiar with the paremia attributed to the Roman jurist Celsus: "Ius est ars boni et aequi" – The law is the art of equity and goodness. These words have become the basis of the axiology of law in the European cultural circle, obliging both practitioners of law and its creators to always keep in mind equity and goodness as fundamental values - thoroughly permeating the legal system.

Thus, it is not without reason that the system of law is not a closed system, but in many places refers to separate and external to the law normative orders (moral, customary), as exemplified by the common references in the Civil Code to "established custom" in relations of a given kind or the principles of social coexistence. Thus, the law not only deliberately operates with concepts whose definitions cannot be found within the legal system, but also in a somewhat veiled way reminds us that it is a profoundly humanistic field since it attempts to encompass the multitude