Abrahamic religions "Abrahamic traditions" has been challenged. In 2012, Alan L. Berger, Professor of Judaic Studies at Florida Atlantic University, in his Preface to "Trialogue and Terror: Judaism, Christianity, and Islam after 9/11" wrote that there are "commonalities", but "there are essential differences between the Abrahamic traditions" both "historical and theological". Although "Judaism birthed both Christianity and Islam", the "three monotheistic faiths went their separate ways". The three faiths "understand the role of Abraham" in "differing ways", and the relationships between Judaism and Christianity and between Judaism and Islam are "uneven". Also, the three traditions are "demographically unbalanced and ideologically diverse". Also
Apostasy in Islam states that Islam is the official religion, but also calls for respect and sanctity for other "heavenly" religions (such as Judaism and Christianity) and that the principles of Shari'a (Islamic law) shall be the main source of legislation. The Palestinian Authority (PA) requires Palestinians to declare their religious affiliation on identification papers. Either Islamic or Christian ecclesiastical courts handle legal matters relating to personal status. Inheritance, marriage, and divorce are handled by such courts, which exist for Muslim and Christians. Citizens living in the West Bank found to be guilty of 'defaming religion' under the old Jordanian law, run the