Abrahamic religions foundational beliefs and thus conceals crucial differences. For example, the common Christian beliefs of Incarnation, Trinity and the resurrection of Jesus are not accepted by Judaism or Islam (see for example Islamic view of Jesus' death). There are key beliefs in both Islam and Judaism that are not shared by most of Christianity (such as strict monotheism and adherence to Divine Law), and key beliefs of Islam, Christianity, and the Bahá'í Faith not shared by Judaism (such as the prophetic and Messianic position of Jesus, respectively). The appropriateness of grouping Judaism, Christianity, and Islam by the terms "Abrahamic religions" or
Petrus Alphonsi Christianity, and would even defend Islam if necessary. This was an effective method, because the readers of the Dialogi were Christians, and they would assume that since Christianity was correct, all other “false” religions would work together for the downfall of Christianity. By equating Judaism with Islam, Alfonsi helped strengthen his argument that Judaism is heretical. As stated earlier, Judaism had enjoyed the benefit of the Augustinian tradition, but by placing Judaism on the same level as Islam, it made Judaism as heretical as Islam. This association of Judaism with Islam may not have been as directly condemning as Alfonsi’s