Study Eruvin folio 75B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
That was also taught in a baraita: If they placed their eiruv in the outer courtyard, and one person forgot to contribute to the eiruv, whether he is a resident of the outer courtyard or of the inner one, they are both prohibited. If they put their eiruv in the inner courtyard, and one resident of
Rabba bar Ḥanan said to Abaye: What is different according to the Rabbis, who say that the inner courtyard is permitted? It is because the residents of the inner courtyard can shut the door of their courtyard to the members of the outer one and use the inner courtyard on their own. But if so, accor
The Talmud asks: If so, according to the Rabbis as well we should say that the placement of the eiruv in the inner courtyard accustoms the residents of the outer courtyard to enter it. The Talmud answers: The reasoning of the Rabbis is that the members of the inner courtyard can say to the members o
The Talmud asks: According to R' Akiva as well, let the residents of the inner courtyard say to the residents of the outer courtyard: We joined with you to our benefit and not to our detriment. The Talmud answers that according to R' Akiva, the case is that the residents of the outer courtyard said
The Talmud asks: Let us say that Shmuel and R' Yoḥanan, who disagree about whether there is renunciation of rights from one courtyard to another, disagree about the same point that was the subject of a disagreement between the Rabbis and R' Akiva. As Shmuel said that there is no renunciation of rig