Reference for Bava Batra 345:13

תנא ברא סבר אין כותבין שטר ללוה עד שיהא מלוה עמו:

As regards, however, the following wherein it was taught. 'As they<span class="x" onmousemove="('comment',' Two Josephs living in the same town. Cf. our Mishnah. ');">³⁷</span> may present a bond of indebtedness against others so may they present [bonds] against each other', [the question arises] wherein lies [the principle of] their<span class="x" onmousemove="('comment',' This Baraitha on the one hand and the Baraitha previously cited and our Mishnah on the other. ');">³⁸</span> disagreement?<span class="x" onmousemove="('comment',' According to this Baraitha the two Josephs may present bonds against one another while according to the previously cited Baraitha and our Mishnah, they may not. ');">³⁹</span>

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