What happens if an eruv techumin placed at the end of the boundary rolls within or beyond four cubits?
Synopsis
The person acquires four cubits at the eruv's location; rolling within four cubits keeps the eruv valid, but beyond four cubits invalidates it.
More in Carrying on Yom Tov
Is an eruv techumin placed in a cemetery valid?
3 opinions
Is an eruv techumin placed in a beit hapras (field plowed over a grave) valid, even for a Kohen?
1 opinions
Is an eruv placed on top of a reed or giant reed (kaneh/kandas) growing from the ground valid?
2 opinions
Is an eruv valid if placed in a locked tower whose key was lost, or buried under a rockslide before Shabbat?
1 opinions
If the eruv was lost, burned, became impure (as terumah), or rolled beyond four cubits — does timing (before or after nightfall) affect its validity, and how is doubt resolved?
1 opinions
What is the primary method of acquiring an eruv techumin and what are the requirements for food quantity?
3 opinions
May an eruv techumin be sent via an agent, and who is qualified to serve as agent?
2 opinions
If one says to another 'go make an eruv for us' without specifying a direction, and the agent picks a direction — is it valid?
1 opinions
Related from other topics
Is it forbidden to pass in front of someone praying within four cubits?
Not Passing Before Someone Praying
When adding a prayer for all of Israel in a middle blessing, must one use plural or singular language, and where within the blessing may it be placed?
Errors in Shabbat Amidah
Must all letters of a Divine Name appear within the column (within the parchment borders), and what happens if any letter extends outside?
Writing Tefillin
When one person's hand is extended across a domain boundary and is below three tefachim from the ground — is the hand considered to be 'placed on the ground' for liability purposes?
Carrying in a Karmelit
If one threw an object within four amot in reshut harabim and it rolled beyond four amot, is one liable?
Walls and Partitions for Reshut HaYachid
When reading on a rooftop and the scroll rolls down the wall — may one retrieve it when it has not yet reached within ten tefachim of the ground?
Eruv Chatzeirot
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.