 Judaism is considered by religious Jews to be the expression of what is sometimes also referred to as the law of what? 
Judaism:  Judaism is considered by religious Jews to be the expression of the covenant that God established with the Children of Israel. Mosaic covenant:  The establishment and stipulations of the Mosaic covenant are recorded in the first five books of the Hebrew Bible, which are traditionally attributed to Moses and collectively called the Torah, and this covenant is sometimes also referred to as the Law of Moses or Mosaic Law or the 613 Mitzvot.
i don't know