If people unknowingly serving as a partition later become aware, does the partition remain valid?
Synopsis
The Mechaber rules that if the people were initially unaware they were serving as a partition, subsequent awareness does not invalidate it. This follows from the principle that the critical moment is the partition's formation.
More in Cross-Beam Construction Requirements
Does a partition made for privacy, storage, or field-guarding (not for dwelling) qualify as a valid eruv partition for carrying?
3 opinions across 3 eras
May one use tree branches hanging down to the ground as a partition for carrying, and what technical conditions must be met?
3 opinions
If filling a tree's branches with straw was done specifically to create a dwelling, does the enclosed area qualify as mukaf l'dirah even if the tree was not planted for that purpose?
2 opinions
Is a partition that arose on its own (without human action) or was made on Shabbat valid for eruv purposes?
3 opinions
May one carry throughout a boat on Shabbat, and what is the law if the boat is flipped over?
2 opinions
May one use living creatures (animals or people) as a valid partition for eruv purposes, and what conditions apply?
3 opinions
Who must position the people serving as a partition — the person intending to use it, or a third party?
2 opinions
What is the rule when the open space (paritz) exceeds the standing space (omed) in a partition, and what if they are equal?
2 opinions
Related from other topics
If tzitzit strings come undone from their twisting and become sixteen strands, are the tzitzit valid?
Who Is Obligated in Tzitzit
If the garment tears at the hole so that less than the minimum distance remains from the tear to the edge, are the tzitzit still valid?
Who Is Obligated in Tzitzit
During Birkat Kohanim, may the people recite verses, or must they remain silent?
Birkat Kohanim — Detailed Laws
If a tallit with valid tzitzit is split into two pieces each large enough to obligate tzitzit, are the remaining tzitzit on each piece still valid?
Transferring and Repairing Tzitzit
May a shamash who is serving two people join their meal to participate in a zimun (grace after meals quorum of three) without being explicitly invited?
Blessings on Bread-Like Foods
If one insulated a pot in a container filled with muktzeh fleece and later removed the pot, may one return it if the hollow remains intact or not?
When Shabbat Falls on Erev Yom Tov
Discussion
Discussion coming soon.
The Daily Law
One question. Every opinion. Every morning.
A new halakhic question and the full spectrum of rabbinic thought, delivered daily.