Responsa for Bava Batra 34:11

איכא דאמרי ואיתמר עלה אמר אביי ואיתימא רב יהודה מכותל בורו שנינו בשלמא להך לישנא דאמרת בשדה העשויה לבורות דברי הכל אינו סומך מתניתין בשדה העשויה לבורות

Others report this discussion as follows. [The Mishnah says that a man should not dig a pit close to the pit of his neighbour,] and it has been reported in this connection that Abaye [or it may be Rab Judah] said that WALL here must be explained to mean the wall [side] of his neighbour's pit. Now all will be in order if we accept the version of Abaye and Raba's argument according to which in a field where pits would naturally be dug both agree that he should not dig close to the boundary; for in this case we explain the Mishnah [also] to refer to a field where pits would naturally be dug.<span class="x" onmousemove="('comment',' V. p. 3 n. 2. ');">⁸</span>

Teshuvot Maharam