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Acharonim Geonim Savoraim Amoraim Tannaim Zugot
Rabbinical Eras

Rishonim (Hebrew: [ʁiʃoˈnim]; Hebrew: ראשונים‎; sing. ראשון, Rishon, "the first ones") were the leading Rabbis and Poskim who lived approximately during the 11th to 15th centuries, in the era before the writing of the Shulchan Aruch (Hebrew: שׁוּלחָן עָרוּך, "Set Table", the code of Jewish law, 1563 CE) and following the Geonim (589-1038 CE). Rabbinic scholars subsequent to the Shulkhan Arukh are generally known as "Acharonim ("the latter ones").

The distinction between the Rishonim and the Geonim is meaningful historically; in Halakha (Jewish Law) the distinction is less important. According to a widely held view in Orthodox Judaism, the Acharonim generally cannot dispute the rulings of rabbis of previous eras unless they find supports of other rabbis in previous eras. On the other hand, this view is not formally a part of halakha itself, and according to some rabbis is a violation of the halakhic system.[1] In the The Principles of Jewish Law Orthodox rabbi Menachem Elon writes that:

The Principles of Jewish Law
—  [such a view] "inherently violates the precept of Hilkheta Ke-Vatra'ei, that is, the law is according to the later scholars. This rule dates from the Geonic period. It laid down that until the time of Rabbis Abbaye and Rava (4th century) the Halakha was to be decided according to the views of the earlier scholars, but from that time onward, the halakhic opinions of post-talmudic scholars would prevail over the contrary opinions of a previous generation. See Piskei Ha'Rosh, Bava Metzia 3:10, 4:21, Shabbat 23:1

Some Rishonim[edit]

See also[edit]


  1. ^ See Kesef Mishna (Maamrim 2:2), Kovetz Igros Chazon Ish (2:26)

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