Classes by Mordechai Dinerman

We can learn about the public presence of women in a given society by examining how various rabbis understood the story of Dina. We’ll witness the difference between Ashkenazic and Sefardic commentaries, between the Tanchuma and Bereishis Rabah, and between Ashkenazic and Sefardic halachic norms. Between Ashkenaz and Sefard: Medieval Women, Biblical Dena, and the Public Square

Are our dreams significant? Do they have predictive value? Should we pay heed to their warnings? The Talmud seems to offer contradictory teachings on this subject, and this will lead us toward two classic approaches to this matter. The Meaning of Dreaming: Talmudic Perspectives

As Italian Jews immigrated to the Ottoman Empire during the sixteenth century, many wanted to switch to the Sephardic liturgical style. The question then was whether it was permitted to abandon well-entrenched communal customs—a question that’s very much relevant today. Liturgical Warfare Among 16th-Century Italian Jews

Does the mitzvah of honoring parents imply that parents wield halachic control over their children’s marriage? Intriguingly, this question became a factor in the tensions that arose with the advent of the Chasidic movement in the eighteenth century. Is It Kosher To Elope? Marriage Without Parental Consent

This class traces the minhag of avoiding the recitation of the Friday night kiddush during the seventh hour after midday. When and why did this custom begin? Friday Night Kiddush Between 6 and 7

The Talmud famously rules that a childless couple must divorce after ten years of infertility. Yet, this law has often been overlooked, a reality that goes back many centuries. This class explores how, when, and why this occurred. After A Decade of Barrenness: What Actually Happens

In the previous episode, we witnessed some of the greatest halachic figures waging war against Machnisei Rachamim and a number of other piyutim. In Part 2, we hear the voices of the supporters. The Battle Over  Machnisei Rachamim  (Part 2)

It’s a beloved piece of liturgy, recited as we begin the new year. But some of the greatest halachic figures waged war against it, suggesting that it expresses quasi-heretical beliefs. In Part 1 we hear the voices of the opponents, and Part 2 will examine the defense. The Battle Over Machnisei Rachamim (Part 1)

In 1772, the Duke of Mecklenburg decreed that Jews could not bury their dead until three days after death. The Jewish community faced difficult questions about the mitzvah of burial. Buried Alive: The 18th-Century Halachic Debate

A controversial wedding ceremony ca. 1550 sheds important light on the inner rabbinic process, the history of Jewish marriage, and the limits of rabbinic law. The Cracow Couple and Rama's Remarkable Responsum

The Rebbe Rashab invoked “dechikas haketz” as one reason to be against Zionism. What are the contours of this prohibition? Does it still apply? The Rebbe Rashab, Zionism, and Expediting the End

At two medieval disputations, a famous Midrash was invoked to argue that Moshiach had already come. The rabbinic approaches to this Midrash unveil different approaches to Talmudic Aggadah. The Barcelona Disputation: Was Moshiach Born on Tisha B’Av?

Tunisian Jews used to refer to Tanach as Mekashya , but few understood why. Fortunately, illuminated medieval Jewish manuscripts can help solve this mystery, revealing a unique perspective on the study of Tanach. The Mekashya Mystery

The Rebbe Rashab addressed this issue when confronted with Zionism, and the Rebbe did the same a few decades later after the State of Israel was established. Does Israel Amount to (the Beginnings of) Kibutz Goliyos?

How have Jewish sages responded when a predicted Messianic time didn’t materialize? Here we focus on this phenomenon within Chabad history. The Day After: Reacting to Moshiach’s Not Coming in Chabad History

The Talmud tells us to refrain from predicting when Moshiach will come, and Rambam affirms this ruling in his code of law. But Rambam himself, and so many other rabbinic sages, issued messianic predictions. Why? Predicting the Redemption: What About the Talmudic Prohibition?

The abundance of name calling in some of the Dead Sea Scrolls exposes diverging worldviews about how halachic interpretation should operate. The Dead Sea Scrolls (Part 3): The Philosophical Dispute

Rabbi Yechiel of Paris was forced to defend the Gemara before a Christian tribunal. Despite his courageous efforts, the Talmud was condemned to the flames. Paris 1240: Disputation and Devastation

The Dead Sea Scrolls present a sectarian system for measuring time and celebrating the festivals, and it may help us understand an enigmatic line in our Mishnah. The Dead Sea Scrolls (Part 2): An Alternative Jewish Calendar

The Supreme Court recently issued a landmark decision regarding the “right to bear arms.” What does Halachah offer on this topic? Gun Control: Talmudic Perspectives

The first of a three-part series analyzing how the Dead Sea Scrolls can deepen our understanding of the Mishnah and Talmud. Who Wrote the Dead Sea Scrolls? A Talmudic Approach

The Tzemach Tzedek wrote about the proper brachah to make on a talis katan , but some have alleged that we tampered with his text. The Scandal of the Missing Line: Allegations of Textual Corruption against Chabad

The Talmud famously recounts how one of its sages discovered the “dead of the desert.” Drawing on a range of sources, the Rebbe explained this Talmudic tale with symbolic depth and personal relevance. The Curious Case of the Desert Dead

This day has a sad history of persecution, but also an interesting tendency to be taken seriously at first, only to peter out after some time. Remembering and Forgetting: The History of Chof Sivan

Rabbi Elazar and Rabbi Yehudah (Rebbi) debated how the furniture in the Beis Hamikdash was situated, and this reflected their philosophies about life. The Rebbe’s Reshimas Hamenorah: An Overview