Reference for Bava Batra 345:21

אמר ליה רבינא לרבא אלא מעתה שדי מכורה לך שדה גדולה מכורה לו שדה שיש לי מכורה לך כל שדותיו מכורין לו

IF AMONG THEM<span class="x" onmousemove="('comment',' Lit., 'there'. ');">⁶¹</span> WERE FOUND TWO [BONDS, PERTAINING] TO ONE [DEBTOR], THE LARGER<span class="x" onmousemove="('comment',' The one containing the bigger amount. ');">⁶²</span> [ONE IS DEEMED] DISCHARGED AND THE SMALLER UNDISCHARGED.<span class="x" onmousemove="('comment',' The debtor is given the benefit of the doubt. He must, however, repay the smaller amount since the creditor declared that one bond only was discharged. ');">⁶³</span>

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