Sephardic Jews in the Netherlands of Sephardic Jewry in Amsterdam, the Mahamad also closely controlled the process of re-judaization - that is helping those whose families had been secretly living as Jews while being outwardly Catholic return to a full Jewish life. In this process, several individuals rejected Rabbinic Judaism or advanced ideas outside of the norms of Judaism at that time and were disciplined by the Mahamad through the process of herem, which could be anything from denial of Torah honors to an outright ban on the individual. The most famous of those to receive a full ban herem was philosopher Baruch Spinoza, whose
Sephardic law and customs basis of the later Sephardic tradition. The Catalan rite was intermediate in character between the Castilian rite and that of Provence: Haham Gaster classified the rites of Oran and Tunis in this group. After the expulsion from Spain, the Sephardim took their liturgy with them to countries throughout the Arab and Ottoman world, where they soon assumed positions of rabbinic and communal leadership. They formed their own communities, often maintaining differences based on their places of origin in the Iberian peninsula. In Salonica, for instance, there were more than twenty synagogues, each using the rite of a different locality in