Study Bava Batra folio 77A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
Ameimar says: The halakha is that letters are acquired by merely transferring the document to the buyer, in accordance with the opinion of R' Yehuda HaNasi. Rav Ashi said to Ameimar: Is your ruling based on a tradition or on your own logical reasoning? Ameimar said to him: It is based on a tradit
The Talmud asks: And is it true that documents cannot be acquired through words? But doesn’t Rabba bar Yitzḥak say that Rav says: There are two types of documents. The first type is where one says to others: Take possession of this field for so-and-so and write the document for him as proof of the
The second type of document is where he said: Take possession of this field for so-and-so on the condition that you write him a document. If the document has not yet been delivered he can retract his instruction both with regard to the document and with regard to the field, as the transfer of the
And Rav Ḥiyya bar Avin says that Rav Huna says: There are actually 3 types of documents. Two are those that we stated above, and the other is if the seller wrote the document in advance.