Shlomo ben Avraham ibn Aderet (Hebrew: שלמה בן אברהם אבן אדרת or Solomon son of Abraham son of Aderet) (1235 – 1310) was a medieval rabbi, halakhist, and Talmudist. He is widely known as the Rashba (Hebrew: רשב״א), the Hebrew acronym of his title and name: Rabbi Shlomo ben Avraham. Teachers Students