Aharon HaLevi (1235-c. 1290), known to scholars of Judaism as the Ra'ah (the acronym for his Hebrew name), was a medieval rabbi, Talmudical scholar and Halakhist. Events Anglo-Norman invasion of Connacht St. ... For broader historical context, see 1290s and 13th century. ... Judaism is the religion of the Jewish people. ... Acronyms and initialisms are abbreviations formed from the initial letter or letters of words, such as NATO and XHTML, and are pronounced in a way that is distinct from the full pronunciation of what the letters stand for. ... Hebrew is a Semitic language of the Afro-Asiatic language family spoken by more than 7 million people, mainly in Israel, the West Bank, the United States and by Jewish communities around the world. ... The Middle Ages formed the middle period in a traditional schematic division of European history into three ages: the classical civilization of Antiquity, the Middle Ages, and modern times. ... Rabbi (Classical Hebrew רִבִּי ribbī;; modern Ashkenazi and Israeli רַבִּי rabbī) in Judaism, means teacher, or more literally great one. The word Rabbi is derived from the Hebrew root-word RaV, which in biblical Hebrew means great or distinguished, (in knowledge). In the ancient Judean schools the sages were addressed as רִבִּי (Ribbi... The Talmud (תלמוד) is a record of rabbinic discussions on Jewish law, Jewish ethics, customs, legends and stories, which Jewish tradition considers authoritative. ... Halakha (Hebrew: הלכה; also transliterated as Halakhah, Halacha, Halachah) is the collective corpus of Jewish rabbinic law, custom and tradition. ...

The Ra'ah was born in Gerona, Spain in 1235. He studied under his father and brother, as well as Nachmanides. He published critical notes on the Rashba's Torat HaBayit, which he entitled Bedek HaBayit. He also wrote a commentary on the Talmud, select parts of which have been published. There are those who believe that he is the author of the anonymous Sefer HaChinuch, although this claim has been rejected by many scholars due to discrepancies between opinions expressed in Torat HaBayit and the Chinnuch. The Ritva was one of his students. Girona (Catalan: Girona, Spanish: Gerona, French: Gérone) is a city located in the northwest of Catalonia, Spain on the confluence of the rivers Ter and Onyar. ... Nahmanides is the common name for Moshe ben Nahman Gerondi; the name is a Greek translation of the Hebrew Ben Nahman, meaning Son of Nahman. He is also commomly known as Ramban, being an acronym of his Hebrew name and title, Rabbi Moshe ben Nahman, and by his Catalan name... Shlomo ben Aderet (or Solomon son of Aderet) (1235-1310), universally known to scholars of Judaism as the Rashba (the acronym for his Hebrew name), was a Medieval rabbi, Halakhist, and famous Talmudist. ... The Talmud (תלמוד) is a record of rabbinic discussions on Jewish law, Jewish ethics, customs, legends and stories, which Jewish tradition considers authoritative. ...