Reference for Bava Batra 214:7

<big><strong>גמ׳</strong></big> א"ר חייא בר אבא א"ר יוחנן לוקח נוטל כחוש שבו א"ל רבי חייא בר אבא לרבי יוחנן והא אנן משמנין ביניהן תנן א"ל אדאכלת כפנייתא בבבל תרגימנא מסיפא

[IF ONE SAYS.] 'I SELL YOU HALF OF IT<span class="x" onmousemove="('comment',' The field. ');">²¹</span> ON THE SOUTHERN SIDE', A COMPROMISE IS MADE BETWEEN THEM AND HE TAKES ITS SOUTHERN HALF.<span class="x" onmousemove="('comment',' This is explained in the Gemara, infra, to refer to the value of, and not to the actual field. ');">²⁰</span> HE<span class="x" onmousemove="('comment',' The seller. ');">²²</span> MUST UNDERTAKE [TO SUPPLY]<span class="x" onmousemove="('comment',' Out of his portion of the field. ');">²³</span>

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