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סימן שע״זSiman 377

Orach Chaim · Hilchos Eruvin

Two Upper Storeys Facing Each Other, Open to a Courtyard

One seif in the Shulchan Aruch, with a gloss of the Rema; one seif also in the Shulchan Aruch HaRav. Two upper storeys facing each other open onto a courtyard that does not have four amos, and one of them made a pit there: who may pour his water there? The seif answers, among other things, according to the eruv — made together, or by one for itself, the other having made none — and according to the way of pouring: the one that made it for itself pours in the upper storey, the water running down to the pit, and not directly into the pit; the Rema's gloss adds the case of a courtyard of more than four amos.

The four levels of study

LEVEL 01

רמת המתחילים

Foundations — Introduction

A pedagogic introduction: Hebrew text of the Mechaber, the Rema's gloss 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: 1 seif.

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