What is the status of a ship passenger who is uncertain whether the ship was above or below 10 tefachim during Shabbos?
Synopsis
When there is doubt whether the ship was above or below 10 tefachim, we rule leniently since techumin on water are rabbinic.
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Do Shabbos techumin (limits) apply to someone traveling more than 10 tefachim above the ground?
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