How are projections (zizim) extending from the walls of a courtyard allocated between upper-story residents and courtyard residents when they have not made a joint eruv?

When balcony residents descend via a ladder into a shared courtyard and exit to the public domain, do they restrict the courtyard residents from carrying if they did not make a joint eruv?

4 opinions

When balcony and courtyard residents did not make a joint eruv, how is a shared mound or pillar in the courtyard allocated — and does its height and proximity to the balcony determine who may carry to it?

5 opinions

When there is a dispute about whether a mound or pillar within 10 handbreadths of the balcony (but more than 10 handbreadths below the balcony) is shared or belongs to one side, what is the ruling?

1 opinions

If one of the parties (courtyard or balcony) owns the mound or pillar exclusively (not shared), do they restrict the other party?

1 opinions

If a platform (matzevah) of at least 4 handbreadths wide is placed in front of the balcony opening, does the balcony restrict the courtyard residents?

4 opinions

If the balcony is within 10 handbreadths of the courtyard floor but a partition of 4 handbreadths has been erected around it, can the courtyard and balcony make separate eruvim?

1 opinions

When the Biur Halacha clarifies the mound/pillar case, is there a minimum width requirement for the mound or pillar before the mutual-restriction rules apply?

1 opinions