Reference for Bava Batra 189:2

דכיון דחזי ליה לאיצטרופי בתשעת קבין הויא לה ארעא חשיבתא באפי נפשא והדרא

more or less';<span class="x" onmousemove="('comment',' V. infra 103b. Had he not said so, even a fraction more than the area agreed upon would have had to be returned. ');">³</span> but a quarter [of a <i>kab</i>] is of no importance;<span class="x" onmousemove="('comment',' The seller, by his statement, has intimated that he does not mind conceding such a small area. ');">⁴</span>

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