Reference for Kiddushin 54:4

מי דמי התם גופים מוחלקים הכא סדנא דארעא חד הוא:

whereas here the tie is not in his hand. Others state, R'Aha, son of R'Ika, said: The proof that he does not acquire [them all]<span class="x" onmousemove="('comment',' In contradiction to Samuel.');">⁴</span> is: if he delivered him ten cows [tied] by one cord and said to him, 'Acquire this one: would he acquire them all?<span class="x" onmousemove="('comment',' Surely not.');">⁵</span>

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