Reference for Bava Batra 138:7
אמר רב כל שעולין לו בחבל הוי שיור כל שאין עולין לו בחבל לא הוי שיור
If he says, I sell you a date tree field, the purchaser cannot claim date trees,<span class="x" onmousemove="('comment',' Supposing there are none in the field. ');"><sup>13</sup></span> because what he means is simply 'a field suitable for date trees'. If he says, I sell you the field except such-and-such a date tree, then we have again to consider. If it is a good date tree,<span class="x" onmousemove="('comment',' I.e., bearing a moderate amount of fruit. ');"><sup>14</sup></span> we presume that he reserved that one for himself; if it is a poor tree,<span class="x" onmousemove="('comment',' Bearing less than a kab of dates. ');"><sup>15</sup></span> then in fortiori he means to reserve the better ones. If he says, [I sell you the field] without the trees,<span class="x" onmousemove="('comment',' 'Trees' was a generic term for all trees except date trees and vines. ');"><sup>16</sup></span> if there are trees in it, [the purchaser acquires all] except the trees; if there are date trees in it [but no others, he acquires the whole] without the date trees;<span class="x" onmousemove="('comment',' Because date trees can also be called trees where no others are under consideration. ');"><sup>17</sup></span> if there are vines, [he acquires the whole] without the vines;<span class="x" onmousemove="('comment',' Because vines are similarly called trees. ');"><sup>18</sup></span> if there are trees and date trees, [he acquires the whole] with the exception of the trees; if there are trees and vines, [he acquires the whole] with the exception of the trees; if there are date trees and vines, [he acquires the whole] with the exception of the vines.<span class="x" onmousemove="('comment',' Because as between date trees and vines, the name 'trees' would be more readily applied to the latter. ');"><sup>19</sup></span> Rab said: [When a vendor reserves trees], all those which have to be climbed by a rope ladder [to pluck the fruit] are reserved, while those which do not need this are not reserved.<span class="x" onmousemove="('comment',' Being too small to count. ');"><sup>20</sup></span>