Abrahamic religions teachings of Quran are presented as the direct revelation and words of Allah. Islam (meaning "submission", in the sense of submission to God) is universal (membership is open to anyone); like Judaism, it has a strictly unitary conception of God, called "tawhid", or "strict" or "simple" monotheism. Historically, the Abrahamic religions have been considered to be Judaism, Christianity and Islam. Some of this is due to the age and larger size of these three. The other, similar religions were seen as either too new to judge as being truly in the same class, or too small to be of significance
Split of Christianity and Judaism Jewish-Christian and Rabbinic movements from the mid-to late second century CE to the fourth century CE. Philip S. Alexander characterizes the question of when Christianity and Judaism parted company and went their separate ways as "one of those deceptively simple questions which should be approached with great care." According to historian Shaye J. D. Cohen, "the separation of Christianity from Judaism was a process, not an event," in which the church became "more and more gentile, and less and less Jewish." According to Cohen, early Christianity ceased to be a Jewish sect when it ceased to observe Jewish practices, such