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Kollel Iyun Hadaf, Jerusalem
(a) Rav Nachman bar Yitzchok reconciles the fact that in Neherda'a, they followed the Chumros of both Rav and Shmuel, with Shlomoh ha'Melech's description of someone who does this as 'ha'Kesil ba'Choshech Holech', by quoting Rav Huna, who maintains that, according to Rav, 'Halachah ve'Ein Morin Ken'. What does he mean? How does that answer the question?2)
(a) Beis Shamai and Beis Hillel dispute the Shiur of a Shedrah (spinal cord) with regard to both Tum'as Mes and Tereifus. According to Beis Hillel, the Shiur is one vertebra.3)
(a) Rebbi Akiva picked an Esrog on the first of Shevat, and gave Ma'aser Le'chumra like both Beis Hillel and Beis Shamai.4)
(a) Rav Yosef quotes Rav Yehudah in the name of Shmuel as saying that Chananyah only requires one door according to Beis Hillel (two according to Beis Shamai), when the Mavoy runs into a Seratya or a Pelatya at either end. What is the difference between a Seratya and a Pelatya?5)
(a) What Tikun will the Mavoy require (according to Rav Yosef, quoting Rav Yehudah), if it runs into a courtyard behind the house (a Rechavah)?
(a) Rav is quoted as saying 'Mavoy she'Nifratz be'Milu'o le'Chatzer, ve'Nifretzah Chatzer Kenegdo, Chatzer Muteres, u'Mavoy Asur'. According to the Gemara's initial understanding, why did Rav forbid carrying in the Mavoy?7) Why, according to Rav (when they did not make an Eruv), may one carry in the Chatzer, but not in the Mavoy?