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?
Synopsis
The Mechaber (via the Rema's gloss) rules that fear of harm is a valid reason to make eruv techumin, and once a valid eruv is made, the person may also travel for optional (reshut) purposes.
More in Yom Tov Adjacent to Shabbat — Eruv Tavshilin
Is eruv techumin (eruv of boundaries) permitted l'chatchila only for a matter of mitzva, or also for optional (reshut) purposes?
4 opinions
What qualifies as a 'matter of mitzva' sufficient to permit making eruv techumin?
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May eruv techumin be made b'ein hashmashot (twilight), and if done, is it valid?
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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?
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What blessing is recited when placing eruv techumin, and is the verbal declaration ('through this eruv...') indispensable?
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Discussion
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