In this Daf. סומכין על שיתוף במקום עירוב. What partitions would constitute as separating a hall into separating residencies.

In this Daf Can an heir do bittul. Canb wine of an already established partnership function as an eruv. Can shituf be the Eruv

In this Daf. When does bittul reshus work. Can an heir do bittul reshus.

In this Daf. Asking a non Jew to carry where there is no Eruv - שבות דשבות במקום מצוה. Can you מבטלין וחוזרין ומבטלין

In this daf. ביטול רשות. If there is another entrance to ones house when can that be considered his main entrance and he won'tאוסר המבוי. Carrying between a karpef and other רשויות

In this Daf. Can you rent the rights to the non jews property on shabbos. When can you effect Bitul reshus.

In this daf. Tefilla while drunk. Tefilla and learning require a settled calm state of mind. If you have an Uber courtyard with a Jew and a non jew and in the outer courtyard just a Jew...

In this Daf. Solutions to making the Eruv if the non Jew won't sell his rights. Davening or paskening while drunk.

In this Daf. If your techum ends in a town or past the town. If you set up your Eruv in the town is it as if you stayed in the town to get the whole tiwn and an additional 2000 amot.

In this daf. Do laders count as openings. Where must you leave out of the eruv of an עיר של רבים. When you are measuring a techum does s city county as 4 amot or its full length.