Reference for Nedarim 94:1

או דילמא משום דחילופין כגידולין דמי לא שנא הוא ולא שנא חברו

or perhaps since what is taken in exchange is the same as what grows from its seed, there is no difference between oneself and his neighbour?<span class="x" onmousemove="('comment',' For it is obvious that the fruit which grows is forbidden to his neighbour, and possibly what is given in exchange is the same. ');">¹</span>

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