Topics covered: Chapter 3, Mishna 2, 3 A valid eruv may only be established with food that is ritually fit for use, to the exclusion of untithed produce and unredeemed consecrated produce. What about demai, doubtfully tithed produce? Or …

  Topics covered: Chapter 3, end Mishna 1 How much of certain foods is needed for an eruv? Relish – enough to accompany two meals. Non-relish – enough to make two meals. What about roasted meat? Dispute arises from the …

  Topics covered: Chapter 3, Mishna 1 Community eruv relies on a basket of food just like eruvin of Shabbos boundaries and courtyards. May we establish an eruv with raw beets? Rava was feeling sharp like Ben Azzai, so he …

  Topics covered: Chapter 3, Mishna 1 We may spend maaser sheni, second tithe funds, on fish and we may make an eruv techumin (for shifting our Shabbos dwelling to enable us to walk farther in one direction than otherwise …

  Topics covered: Chapter 3, Mishna 1 We can establish an eruv, whether to join houses in a courtyard (eruv chatzeros) or to relocate our Shabbos boundaries (eruv techumin) with any kind of food except water and salt. And we …

  Topics covered: End Chapter 2, Mishna 4 A Shabbos lunch incident at the Exilarch’s house: on Friday, he asked Rav Huna bar Chinana to arrange for Shabbos-carrying between a pavilion in a non-residential enclosure and the house via a …

  Topics covered: Chapter 2, Mishna 4 Another strategy for adjusting a karpef, non-residential enclosure, which is just over the 5000 square cubit size limit for carrying on Shabbos: reduce its size. We can’t do that by adding trees, but …

  Topics covered: Chapter 2, Mishna 4 We may carry on Shabbos in a non-residential enclosure over 5000 square cubits if it was originally built for residential purposes. What happens if we plant crops in it? What about trees? What …

  Topics covered: Chapter 2, Mishna 3, 4 Upright boards in the corners, i.e. a “virtual enclosure” only works to permit drawing water from public well fed by a spring, per Rabbi Yehuda ben Bava. Such an enclosure does not …