Reference for Eruvin 177:16

רב אמר אין מטלטלין בו אלא בד' אמו' לא אמר גוד אסיק מחיצתא ושמואל אמר מותר לטלטל בכולו דאמר גוד אסיק מחיצתא

and karpafs as a separate domain'<span class="x" onmousemove="('comment',' Infra 90b; i.e., it is only permissible to move objects from place to place in the same class but it is forbidden to move objects from one of these classes into any of the other.');">³⁹</span> which<span class="x" onmousemove="('comment',' Since no restrictions are imposed on the movement of objects between any number of courtyards.');">⁴⁰</span> implies, does it not,<span class="x" onmousemove="('comment',' Lit., 'what, not?'');">⁴¹</span>

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