May a human partition (mechitzat bnei adam) be formed to help someone who inadvertently exited the techum return within it?

If someone leaves the Shabbat techum even one amah (cubit), may he re-enter and walk through the city like a resident?

4 opinions across 3 eras

If a person has one foot inside the techum and one foot outside when Shabbat begins, may he enter the city?

2 opinions

If Shabbat begins while a person is already outside the city's techum (even one amah beyond the 2000-cubit boundary), what are his movement limits?

3 opinions

If someone was forcibly removed from the techum or exited inadvertently, and is then returned to the techum, what are his movement limits?

4 opinions

If non-Jews placed a person outside the techum in an enclosed space (pen, prison, cave, or walled city), what are his movement limits — and does it matter whether he originally left the techum willingly or under duress?

3 opinions across 3 eras

If a person's boat departed on Shabbat, may he walk the entire boat? What if the walls of the boat broke open during Shabbat?

4 opinions

If someone willingly exited the techum and was then forcibly returned to his own city (which is walled), what are his movement limits within and beyond the city?

4 opinions

If fruit was taken outside the techum and then returned, what are its movement and consumption restrictions — and does it matter whether it was taken out intentionally or inadvertently?

4 opinions across 3 eras