Abstract:
The international judicial system with its permanent and supranational courts play an important role in the development of international rules and principles through the international case law. -With the diversity and multiplication of these judiciary institutions and mourly the absence between them lead to a partition of international law which pet the path to the emergence of new independent and separate laws those
have suggested a confrontation and contradictions between international courts decisions on the same legal point in addition to that one could speak about problems erasing out of jurisdiction . - We conclude that positive and negative decisions of international courts and supra nations tribunals glow in the same direction which is developing international law. -Al though the are sings that the above described problems and difficulties suggest the idea of fragmentation of international law article 38 of the statute of the international court of justice stands strong and confirm that unity of international law is primary
taking into consideration a variety of sources and branches .