Topics covered: Chapter 8, Mishna 5, 6 Does an absent resident restrict his neighbors from carrying on Shabbos in a shared courtyard if he didn’t join in their eruv before leaving? Depends on whether he’s Jewish or not, and …

  Topics covered: Chapter 8, Mishna 3, 4 Shared area of two courtyards that did not make a joint eruv are prohibited to both courtyards. What if there is a well in an alleyway between two courtyards? Why does Rav …

  Topics covered: Chapter 8, Mishna 1,2 How do we establish eruvin techumin, joining of Shabbos boundaries, for multiple people? May we do so only for the purpose of a fulfilling a commandment? Why is it more important to visit …

  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 …