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Shabbat · Orach Chaim 366

Multiple Openings in an Alleyway

15 questions · 34 opinions

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What is the rabbinic requirement for an eruv chatzeirot (courtyard eruv), and what is its rationale?

3 opinions across 2 eras

Basic Requirement and Ration…

Do residents of tents, booths, or a military camp require an eruv, and what about a caravan?

4 opinions across 2 eras

Temporary Dwellings

In which type of house must the eruv be placed, and what are the minimum requirements for that house?

5 opinions across 2 eras

Placement Location

Must all the eruv bread be placed in a single vessel, and what if it is divided between two vessels?

3 opinions across 2 eras

Container Requirements

Must eruv participants not mind if others eat the eruv bread? What if the owner objects?

1 opinions

Ownership Conditions

Must the eruv bread be a whole loaf, and how does the Rema's custom of baking a communal challah affect this?

3 opinions

Bread Requirements (Whole Lo…

If one person contributes the eruv on behalf of all residents, may a slice be used?

1 opinions

Bread Requirements (Single C…

What types of bread are valid for eruv chatzeirot?

1 opinions

Bread Validity (Grain Type)

Can one resident contribute the eruv on behalf of all others, and how must the zikui (conferral of ownership) be performed?

1 opinions

Communal Eruv / Single Contr…

Through whom may the eruv be conferred (zikui), and who is ineligible to act as the conferring agent?

4 opinions across 3 eras

Zikui Agency (Who Can Confer)

If Shabbat begins while a group is eating together and bread is on the table, may they rely on that bread as an eruv?

2 opinions

Ad Hoc Eruv from Meal Bread

May a guardian (apotropos) establish an eruv on behalf of a minor?

1 opinions

Guardian's Authority

Is there a mitzvah to actively pursue establishing an eruv chatzeirot?

1 opinions

Obligation / Mitzvah to Esta…

What blessing is recited when establishing an eruv chatzeirot, and is the blessing indispensable?

2 opinions

When should the blessing over the eruv be recited—when collecting the bread or when conferring ownership?

2 opinions across 2 eras

Blessing Timing