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Text Excerpt
ואחד שינוי מקום — אין צריך לברך. מיתיבי: שינוי מקום צריך לברך, שינוי יין אין צריך לברך, תיובתא דרבי יוחנן תיובתא.
and a change of place, i.e., one moves to a different location in the middle of his meal, he need not recite a new blessing. The Talmud raises an objection from a baraita: In the case of a change of place one must recite a new blessing; however, in a case of a change of wine one need not recite another blessing. The Talmud concludes: The refutation of the opinion of R' Yoḥanan is indeed a conclusive refutation.
יתיב רב אידי בר אבין קמיה דרב חסדא, ויתיב רב חסדא וקאמר משמיה דרב הונא: הא דאמרת שינוי מקום צריך לברך, לא שנו אלא מבית לבית, אבל ממקום למקום — לא.
The Talmud relates: Rav Idi bar Avin sat before Rav Ḥisda, and Rav Ḥisda sat and said in the name of Rav Huna: That which you said, that after a change of place following kiddush one must recite a new blessing, they only taught this halakha with regard to one who moves from house to house; however, with regard to one who moves from place to place within one house, no, he is not obligated to recite a new blessing.
אמר ליה רב אידי בר אבין: הכי תנינא ליה במתניתא דבי רב הינק, ואמרי ליה במתניתא דבי בר הינק כוותיך. ואלא רב הונא מתניתא קא משמע לן? רב הונא מתניתא לא שמיע ליה.
Rav Idi bar Avin said to him: This is indeed what we learned in the baraita of the school of Rav Hinak, and some say in the baraita of the school of bar Hinak, in accordance with your ruling. The Talmud asks: But if there is a baraita that states the same halakha, does Rav Huna merely come to teach us a baraita? The Talmud answers: Rav Huna taught the halakha quoted in the baraita because he had not heard the baraita. Rav Huna independently issued the same ruling as that of the baraita.