Reference for Bava Batra 60:4

כמאן כאדמון דתנן העורר על השדה וחתום עליה בעד אדמון אומר השני נוח לי הראשון קשה הימנו וחכמים אומרים איבד את זכותו

[On hearing of this] Raba said: He was quite within his rights in what he said to him. What authority does Raba follow? — The authority of Admon; for we have learnt: 'If a man claims a field after having witnessed<span class="x" onmousemove="('comment',' I.e., signed his name as witness to the contract of sale. ');">⁴</span>

Jastrow

Jastrow

Jastrow

Jastrow