Study Eruvin folio 86B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
A cross beam of 4 handbreadths laid across a cistern located between two courtyards permits one to draw water from that cistern.
With this in mind, the following difficulty arises: The bucket he uses to draw the water might drift under the cross beam to the other side of the cistern and bring water from the other courtyard. The Talmud answers: The rabbis have established that a bucket does not drift more than 4 handbreadths f
The Talmud raises a difficulty: Nonetheless, the water becomes intermingled under the cross beam, and consequently the bucket will bring up water from the other courtyard. Rather, it must be that the reason for the leniency is not that the cross beam actually prevents the flow of the water, but be
The Mishnah teaches: R' Yehuda said: There is no need for a partition in the cistern, as a partition inside a cistern is no better than the wall above it. Rabba bar bar Ḥana said that R' Yoḥanan said: R' Yehuda stated this in accordance with the opinion of R' Yosei, who said: A suspended partition
As we learned in a Mishnah: One who lowers sukka walls from above going downward, when the walls are 3 handbreadths higher than the ground, the sukka is invalid, as they are not considered partitions; but if he constructed walls from below going upward, if they are 10 handbreadths high the sukka i