Study Berakhot folio 50B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
We only said this halakha in a case where those members of the previous groups did not include them in the zimmun in their original place, but in a case where they included them in the zimmun in their original place, their obligation to participate in a zimmun has left them. The obligation incumben
In order to explain the general principle contained in this halakhic ruling, Rava said: From where do I derive to say this halakha? As we learned in a Mishnah: A ritually impure bed, half of which was stolen or half of which was lost, or it was divided by brothers after they inherited it from their
Rava infers: From here on, yes, it is susceptible to ritual impurity, retroactively, no, it does not reassume its previous status of ritual impurity. Apparently, once they divided it, the ritual impurity left it. Although it was restored, it does not reassume its previous status of ritual impurit
The Mishnah explained the circumstances in which two groups that were eating in one house may combine to form a zimmun. The Talmud adds: It was taught: If there is a common waiter among them, serving both groups, the waiter joins them into a single group, even if they cannot see each other.
In the Mishnah, we learned: One does not recite a blessing over wine until he adds water to it, that is the statement of R' Eliezer. And the Rabbis say: One recites a blessing over it. Regarding this, A baraita states in the Tosefta: Over wine, until he added water to it, one does not recite: Who cr