2

Building on what Double AA and Joel K have said: מדאורייתא this is definitely permitted. The decree of King Solomon declared multiple contiguous רשויות היחיד in which people live in defined, separate areas as "separated" in a sense, and said that they they need to be "combined" in order to allow carrying between them. However there are ...


2

According to Torah law that is indeed permissible since it's not one of the two forbidden categories of transferring you mentioned. However, King Solomon enacted that it be forbidden to do so unless the neighbors first enact an Eruv between them, symbolically joining their distinct private domains into one, lest people get confused and come to transfer ...


Only top voted, non community-wiki answers of a minimum length are eligible