Can a walled city eruv (of private origin) be divided in half — with each half forming a separate eruv partnership?
Synopsis
A walled city of private origin may not be split into two separate eruv partnerships ('meruvim l'chatza'in'). This is the Mechaber's position; the Rema adds a dispute about whether longitudinal vs. lateral division differs.
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Can a city that was originally private property (owned by one individual) be included in a single city-wide eruv without any exclusion?
4 opinions
Does a publicly-owned city with only one entrance require an exclusion (shiur) for a valid city eruv?
3 opinions
Does a publicly-owned city with two entrances (through which the public enters one and exits the other) require an exclusion (shiur) for a valid city eruv, even if it later became private property?
4 opinions across 3 eras
What is the minimum valid exclusion (shiur) for a city eruv when an exclusion is required?
4 opinions across 3 eras
Can houses excluded from a city eruv (as the shiur) qualify even if their entrances face outward (away from the city) or if they are animal/storage buildings that themselves don't require an eruv?
2 opinions
Can non-Jewish houses count as the required exclusion (shiur) for a city eruv?
4 opinions across 3 eras
Does a ladder (on the city wall) on one side count as a 'second entrance' that would require a shiur for a city eruv?
3 opinions
Does a garbage heap (ashpah) in front of one of a city's two entrances render that entrance legally non-existent, so that the city can have a single eruv without a shiur?
3 opinions
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