Study Nedarim folio 47A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
§ The Mishnah teaches: With regard to one who says to another: Entering your house is konam for me, and the owner dies or sells the house, the prohibition is lifted. But if he said: Entering this house is konam for me, he remains prohibited from entering the house even after the owner dies or sells
Rava said: Come and hear a proof from a Mishnah (Bava Kamma 108b–109a): If one says to his son: Benefiting from me is konam for you, and dies, the son still inherits from him. If, however, the father explicitly states that benefit is forbidden both in his lifetime and after his death, and dies, t
§ We learned in a Mishnah there (57a): If one says: This produce is konam upon me, or: It is konam upon my mouth, or: It is konam for my mouth, he is prohibited from eating even its replacements, should they be traded or exchanged, and anything that grows from it if it is replanted.
Rami bar Ḥama raises a dilemma: If one said: This produce is konam for so-and-so, what is the halakha with regard to their replacements? Do we say: With regard to himself, since a person can render another’s produce forbidden for himself, though it is not presently in his possession, so too, a per