<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type> This volume examines the pertinence of the designation religio licita to Judaism and its relevance for describing the relationship between the Roman state and Judaism. This question applies not only to Judaism but also to the process of differentiation between Judaism and Christianity, for from the beginning of the 3rd century, the term was used exclusively by Christian writers.