Is eruv techumin (eruv of boundaries) permitted l'chatchila only for a matter of mitzva, or also for optional (reshut) purposes?
Synopsis
The baseline rule is that eruv techumin should ideally be made only for a matter of mitzva. The dispute concerns whether this restriction applies equally to foot-eruv (acquiring Shabbat residence by standing in a place) as it does to eruv by bread.
More in Yom Tov Adjacent to Shabbat — Eruv Tavshilin
What qualifies as a 'matter of mitzva' sufficient to permit making eruv techumin?
4 opinions
Is eruv techumin permitted when made out of fear (e.g., fleeing non-Jews or bandits), and does the valid eruv also permit travel for optional purposes?
2 opinions
May eruv techumin be made b'ein hashmashot (twilight), and if done, is it valid?
4 opinions
When two people commission an agent to make eruv techumin for each of them — one eruv placed before Shabbat and one placed during bein hashmashot, with the first eruv eaten during bein hashmashot and the second eaten after nightfall — do both acquire a valid eruv?
4 opinions across 3 eras
What blessing is recited when placing eruv techumin, and is the verbal declaration ('through this eruv...') indispensable?
4 opinions
Related from other topics
Is reciting Shehecheyanu upon acquiring a new house or vessels obligatory or merely optional (reshut)?
Blessing on Seasonal Fruits
Is Shehecheyanu a mandatory (chova) or optional (reshut) blessing on new seasonal fruit?
Shehecheyanu
Is it permitted to repair a friend's clothing for Shabbat on Erev Shabbat, and does it matter whether one accepts payment?
Bathing Before Shabbat
Is it permitted to begin emptying a storehouse of produce or wine barrels on Shabbat for non-mitzvah purposes?
Who Desecrates Shabbat for the Ill
Is it permitted to swim (float on water) on Shabbat, and does it matter whether the pool has a surrounding barrier?
Tanning and Smoothing on Shabbat
Is it preferable (l'chatchila) to annul vows before Shabbat when possible, even though Shabbat annulment is permitted b'dieved?
Erasing on Shabbat
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.