One God, Three Entities Part Two

In his 13 basic principles, renowned Rabbi Moshe Ben Maimon (1135–1205), also known as Maimonides and the great Rambam, replaced the Hebrew word ehad (“one”) with yahid (“only one”) to describe God’s nature. Ehad often denotes a compound unity, whereas yahid does not. Although the idea of yahid stands in contrast to the Old Testament, rabbinical Judaism embraced it and argues that G