Study Nedarim folio 48B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
There was a certain man who had a son who seized in theft sheaves [keifei] of flax, and the father took a vow prohibiting his son from deriving any benefit from his possessions. They said to the father: And if the son of your son would become a Torah scholar, and you would want him to be able to i
The rabbis of Pumbedita say: This is just as if he stated: Acquire the property on the condition that you transfer it to your son. In such a case he has not given anything to the recipient, but has merely made him a conduit to transfer the item to someone else. And in any case where one says: Acqui
But Rav Naḥman said: He does acquire, as an acquisition by means of a cloth is a case of an act of acquisition performed only in order to transfer ownership. In such a case, one gives another a cloth in order to confer ownership of some other item, but the cloth itself does not assume new ownership.
Rav Ashi said: And who will say to us concerning the cloth that if the recipient of the cloth would seize it with the intention of keeping it that it would not be an effective seizure? While the cloth is technically transferred, the recipient does not usually exercise his right to it. And furthermo
Rava said to Rav Naḥman: But the gift of Beit Ḥoron discussed in the Mishnah is an example of an acquisition performed only in order to transfer ownership, and there he did not acquire it at all.