Study Beitzah folio 38A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
And we discussed the following difficulty with regard to this teaching of Ayo: What is different about the case where two rabbis are coming to the two locations, one here and the other there, and one places two eiruvin, planning to decide on Shabbat which lecture he will attend? Why did R' Yehuda s
And R' Yoḥanan said in explanation: This first case is referring to a situation in which the rabbi had already arrived before the eiruv was placed, but the one placing the eiruv does not know the rabbi’s location. Therefore, it had already been determined which of the two eiruvin would be effective,
Rather, the Talmud rejects this approach and states: Actually, do not reverse the views of R' Yoḥanan and R' Hoshaya; it is indeed R' Hoshaya, also known as R' Oshaya, who accepts retroactive designation, and R' Yoḥanan who rejects it. As for R' Oshaya’s statement with regard to the entrances to a
Mar Zutra taught in a public lesson: The halakha is in accordance with the opinion of R' Oshaya with regard to retroactive designation.
Shmuel said: An ox of a fattener, one whose occupation is to fatten oxen in order to sell them for their meat, is as the feet of all people. It is as the feet of the one who acquires the animal on the Festival, even if the buyer is from another city, as the fattener’s intention when the Festival b