Reference for Bava Batra 275:2

אמר רב נחמן בר יצחק זיכה לו על ידי אחר ושתק ולבסוף צווח באנו למחלוקת רבן שמעון בן גמליאל ורבנן

the other,<span class="x" onmousemove="('comment',' Lit., 'here'. ');">¹</span> where he kept silent at first and then<span class="x" onmousemove="('comment',' Lit., 'at the end'. ');">⁴</span> protested.<span class="x" onmousemove="('comment',' His first silence is interpreted as consent to his acquisition of the ownership. Hence the opinion of Rab Judah that, though he protested later, ownership is acquired by him. ');">⁵</span>

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