Topics covered: Chapter 3, Mishna 8 It appears in the Mishna about a dually conditional eruv that Rabbi Yehuda accepts the principle of retroactive designation, but elsewhere he seems to reject it. Is the Mishna wrong?! Several cases are …

Topics covered: Chapter 3, Mishna 7, 8 Looking at doubtful eruv for the purpose of shifting our Shabbos boundary (how far we can walk away from my dwelling on Shabbos) so we can better fulfill the commandment to delight in …

  Topics covered: Chapter 3, Mishna 6, 7 KEY DAF! Putting our page in context. What have learned so far in our Talmud journey? Why does the concept of eruv matter? Because we transform space by creating an edifice in …

  Topics covered: Chapter 3, Mishna 4, 5, 6 Eruv in a pit, Shabbos dwelling in a karmelis (neither private nor public domain – carrying into or out prohibited on Shabbos by rabbinic decree) is valid according to Rebbi. Eruv …

  Topics covered: Chapter 3, Mishna 4 How Reb Shlomo Carlebach wrote the famous melody for Shabbat Shalom/Mizmor LeDavid. May we establish an eruv by placing food in a tree in the public domain? Nuances of this question include how …

  Topics covered: Chapter 3, Mishna 3, 4 May we send a monkey or an elephant to establish an eruv for us? Rav Nachman says the principle of presuming an agent has fulfilled his agency only applies to rabbinically ordained …

  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 …