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Siman 248 — Traveling by Ship or Caravan in the Days Before Shabbos

The Alter Rebbe's shitah on the 14 seifim that codify the three-day rule before Shabbos (תלת-יומא קודם השבת) — when one may begin a sea or caravan journey if one knows it will extend into Shabbos.

The 4 levels of study

LEVEL 01

רמת המתחילים

Foundation — Introduction

Pedagogical introduction: Hebrew text of the Mechaber and Mishnah Berurah, clear English rendering, key concepts explained, practical cases and summary.

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LEVEL 02

רמת הלמדן

Lamdan — Advanced Pilpul

In-depth pilpul: Talmudic sources, שיטות of the Rishonim and Acharonim, fundamental חקירות, classical מחלוקות, and practical נפקא מינות.

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LEVEL 03

חזרה וסיכום

Master Synthesis

Master synthesis: central axiom, hierarchy of concepts, decision trees, mnemonics, pitfalls to avoid, and a comprehensive summary table.

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LEVEL 04

דעת הרב

Daat HaRav — Shitah of the Alter Rebbe

The Shulchan Aruch HaRav on this siman: all 14 seifim complete and 8 entries of Kuntres Acharon. The strength and originality of the Alter Rebbe's psak, his own chiddush, sichos and igros of the Rebbe that illuminate the topic, and conduct למעשה.

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