Topics covered: Chapter 8, Mishna 2, 3 An eruv techumin, joining of Shabbos boundaries, requires enough food for two meals from each participant. How much food is that? We measure using egg volumes. For larger quantities of grain, we …

  Topics covered: Chapter 7, Mishna 7, 8 Which eruvs must be established with bread? If with bread, why must we use whole loaves of bread? What is challah and how does it relate to the food used to establish …

  Topics covered: Chapter 7, Mishna 5, 6 May we establish a merging of alleyways without conveying possession of the food (used in the eruv) to all residents who benefit from the eruv? To understand the principle involved, we examine …

  Topics covered: Chapter 7, Mishna 4, 5 When two courtyards are separated by a significant haystack, they lose the option to make a joint eruv. What is a significant haystack? May animals eat from it on Shabbos? How do …

  Topics covered: Chapter 7, Mishna 2, 3 Just as walls can divide courtyards, so can ditches. And just as walls can be diminished, so can ditches. On a metaphoric level, we learn to overcome/bridge both highs and lows by …

  Topics covered: Chapter 7, Mishna 2 When two courtyards are separated by a significant wall, they lose the option to make a joint eruv that permits carrying objects between them on Shabbos. What is a significant wall? Can we …

  Topics covered: Chapter 7, Mishna 1 Two courtyards share a wall. May the residents of both form a joint eruv to permit carrying on Shabbos, not only from their houses into the courtyards, but also between the courtyards? Sometimes …

  Topics covered: Chapter 6, Mishna 7 When one courtyard sits inside another, the residents of the inner and outer courtyard have obligations to each other with respect to carrying on Shabbos and making an eruv, that would not exist …

  Topics covered: Chapter 6, Mishna 6 The Sages disagree on the minimum requirements of an alleyway that can be adjusted for carrying on Shabbos. Rav says two or more courtyards must open into it, each containing two or more …