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Yaakov Jaffe

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Lehrhaus Avot 5:6: The Mouth of Korah’s Earth and the 2nd Edition of the Tosafot Yom Tov 18 Jun
Yaakov Jaffe analyzes the evolution in R. Yom Tov Lipman Heller's interpretation of Avot 5:6 between the first and second editions of his Mishnah commentary,...
18 Jun
Lehrhaus The Daring Theology of the Kinnah of the Maharam 31 Jul 2025
Rabbi Meir of Rottenberg, the Maharam, is renowned for his legal writings but also composed a significant Kinnah, "Shaali Serufah Ba-Eish," reflecting on the...
31 Jul 2025
Lehrhaus When Should Mishloah Manot be given in Jerusalem when Shushan Purim is Shabbat?  11 Mar 2025
Purim celebrations in walled cities like Jerusalem occasionally coincide with Shabbat, a situation that complicates Purim customs such as megillah reading, m...
11 Mar 2025
Lehrhaus Shavat Suru: The First Kinah, Matter and Form 16 Aug 2024
Elazar Ha-Kalir's Kinah, Shavat Suru, is a meticulously crafted liturgical poem recited on the 9th of Av. The poem contains eight core stanzas, each ending w...
16 Aug 2024
Lehrhaus A Festive Song with an Unclear Message: Uncovering the Meaning of Maoz Tzur 14 Dec 2023
"Maoz Tzur" is a popular Hanukkah song that many Jews sing without fully understanding its meaning or central theme. The song is structured with six stanzas,...
14 Dec 2023
Lehrhaus One Day, One Chapter; Four Recitations and Four Themes in Psalm 24 14 Sep 2023
In this article, the author explores the usage of Psalm 24, "Le-David Mizmor," in the Rosh Hashanah tefillah service. Psalm 24 is recited four times througho...
14 Sep 2023
Lehrhaus Modest, Ethical, Scholarly, or Inventive Perspectives on Ruth, a Biblical Heroine 24 May 2023
Ruth, a Moabite former princess, converted and joined the Jewish people, ultimately becoming the ancestor of King David. Different interpretations of Ruth's ...
24 May 2023
Lehrhaus Does a Women’s Friday-Night Prayer Belong As Part of Menorah Lighting? 22 Dec 2022
The author discusses the practice of lighting Hanukkah candles in between the prayers of minhah and maariv, as a communal obligation. The author's students a...
22 Dec 2022
Lehrhaus The Directional Shaking of the Lulav: Bible, Mysticism, and Religious Polemics 6 Oct 2022
The shaking of the lulav during Sukkot is a familiar and important ritual, but few people understand the reasons behind the different directions in which the...
6 Oct 2022
Lehrhaus Beginning the day with Halakhah or with Spirituality? 12 Aug 2021
The author discusses the order of prayers in traditional Jewish siddurim, specifically focusing on the opening of the morning prayers. He explains that the S...
12 Aug 2021