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Siman 340 — Toldos of the Avos Melachos — Derivative Melachos of Shabbos

The shitah of the Alter Rebbe on the 18 se'ifim codifying several toldos (derivatives) of the avos melachos — gozez (shearing/shaving), kosev (writing), mocheik (erasing), and modern applications to nails, hair and more.

The four levels of study

LEVEL 01

רמת המתחילים

Foundations — Introduction

A pedagogic introduction: Hebrew text of the Mechaber and the Mishnah Berurah, a clear English rendering, key concepts unpacked, practical cases and a summary.

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LEVEL 02

רמת הלמדן

Lamdan — In-depth pilpul

Deep pilpul: Gemara sources, shittos of the Rishonim and Acharonim, foundational chakiros, classic machlokesim, and practical nafka minah.

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LEVEL 03

חזרה וסיכום

Master Synthesis

A master-level synthesis: central axiom, hierarchy of concepts, decision trees, mnemonics, pitfalls to avoid, and a summary chart.

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LEVEL 04

דעת הרב

Daat HaRav — Shitah of the Alter Rebbe

The Shulchan Aruch HaRav of the Alter Rebbe on this siman: 18 se'ifim and 0 KA entries.

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